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Added macro for easier usage

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Updated docs
Added option to add seperator to the output
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Uttarayan Mondal
2021-03-08 18:40:51 +05:30
parent 64ceb37e43
commit 3dec2ba0d7
72 changed files with 1994 additions and 318 deletions
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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//!```rust</span>
<span class="doccomment">//!extern crate ntext;</span>
@@ -140,14 +89,19 @@
<span class="doccomment">//!extern crate ntext;</span>
<span class="doccomment">//!use ntext::to_text;</span>
<span class="doccomment">//!fn main() {</span>
<span class="doccomment">//! println!(&quot;{}&quot;,to_text(1312));</span>
<span class="doccomment">//! assert_eq!(to_text(1312),&quot;onethousandthreehundredtwelve&quot;);</span>
<span class="doccomment">//! println!(&quot;{}&quot;,to_text!(1312));</span>
<span class="doccomment">//! assert_eq!(to_text!(1312),&quot;onethousandthreehundredtwelve&quot;);</span>
<span class="doccomment">//! println!(&quot;{}&quot;,to_text!(7123));</span>
<span class="doccomment">//! assert_eq!(to_text!(7123,&quot; &quot;),&quot;seven thousand one hundred twenty three&quot;);</span>
<span class="doccomment">//!}</span>
<span class="doccomment">//!```</span>
<span class="doccomment">//! This fucntion will also return an empty string on input zero</span>
<span class="doccomment">//! This macro will also return an empty string on input zero</span>
<span class="kw">mod</span> <span class="ident">no_seperator</span>;
<span class="kw">mod</span> <span class="ident">seperator</span>;
<span class="kw">mod</span> <span class="ident">test</span>;
<span class="doccomment">/// Convert digit to text.</span>
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">no_seperator</span>::<span class="ident">to_text_no_seperator</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">seperator</span>::<span class="ident">to_text_with_seperator</span>;
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">digit_to_text</span>(<span class="ident">digit</span>: <span class="ident">u8</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">match</span> <span class="ident">digit</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;&quot;</span>.<span class="ident">to_string</span>()),
@@ -163,90 +117,34 @@
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
}
}
<span class="kw">fn</span> <span class="ident">tens_place</span>(<span class="ident">tens</span>: <span class="ident">u8</span>, <span class="ident">ones</span>: <span class="ident">u8</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">match</span> <span class="ident">tens</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">digit_to_text</span>(<span class="ident">ones</span>),
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">ones</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;ten&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;eleven&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;twelve&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;thirteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;fourteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;fifteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">6</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;sixteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">7</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;seventeen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;eighteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">9</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;nineteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
},
<span class="ident">d</span> @ <span class="number">2</span>..<span class="op">=</span><span class="number">5</span> <span class="op">|</span> <span class="ident">d</span> @ <span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>({
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">match</span> <span class="ident">d</span> {
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;twenty&quot;</span>),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;thirty&quot;</span>),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;forty&quot;</span>),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;fifty&quot;</span>),
<span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;eighty&quot;</span>),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> (),
}
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">digit_to_text</span>(<span class="ident">ones</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="ident">buffer</span>
}),
<span class="ident">d</span> @ <span class="number">6</span>..<span class="op">=</span><span class="number">9</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>({
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">string</span> <span class="op">=</span> <span class="ident">digit_to_text</span>(<span class="ident">d</span>).<span class="ident">unwrap</span>() <span class="op">+</span> <span class="string">&quot;ty&quot;</span>;
<span class="ident">string</span>.<span class="ident">push_str</span>(<span class="ident">digit_to_text</span>(<span class="ident">ones</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="ident">string</span>
}),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
<span class="kw">fn</span> <span class="ident">place_value</span>(<span class="ident">number</span>: <span class="ident">u8</span>, <span class="ident">place</span>: <span class="ident">u8</span>, <span class="ident">seperator</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="ident">str</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">digit_to_text</span>(<span class="ident">number</span>).<span class="ident">unwrap</span>();
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">sep</span>) <span class="op">=</span> <span class="ident">seperator</span> {
<span class="kw">if</span> <span class="ident">number</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> {
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">sep</span>)
}
}
}
<span class="kw">fn</span> <span class="ident">place_value</span>(<span class="ident">number</span>: <span class="ident">u8</span>, <span class="ident">place</span>: <span class="ident">u8</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">digit_to_text</span>(<span class="ident">number</span>).<span class="ident">unwrap</span>();
<span class="kw">match</span> <span class="ident">place</span> {
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> (),
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> (), <span class="comment">//This should never happen as 2 is included in the tens_place_holders</span>
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">value</span>.<span class="ident">push_str</span>(<span class="string">&quot;hundred&quot;</span>),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">value</span>.<span class="ident">push_str</span>(<span class="string">&quot;thousand&quot;</span>),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;hundred&quot;</span>),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;thousand&quot;</span>),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> (), <span class="comment">// Souldn&#39;t happen</span>
<span class="number">6</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">value</span>.<span class="ident">push_str</span>(<span class="string">&quot;million&quot;</span>),
<span class="number">6</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;million&quot;</span>),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> (),
};
<span class="prelude-val">Some</span>(<span class="ident">value</span>)
<span class="prelude-val">Some</span>(<span class="ident">buffer</span>)
}
<span class="doccomment">/// Convert u32 to words in a string.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_text</span>(<span class="ident">number</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">numtext</span>: <span class="ident">String</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">last</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">let</span> <span class="ident">tens_place_holders</span>: [<span class="ident">u8</span>; <span class="number">2</span>] <span class="op">=</span> [<span class="number">2</span>, <span class="number">5</span>];
<span class="kw">let</span> <span class="ident">digits</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="op">=</span> <span class="ident">number</span>
.<span class="ident">to_string</span>()
.<span class="ident">chars</span>()
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">d</span><span class="op">|</span> <span class="ident">d</span>.<span class="ident">to_digit</span>(<span class="number">10</span>).<span class="ident">unwrap</span>() <span class="kw">as</span> <span class="ident">u8</span>)
.<span class="ident">collect</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">place</span>: <span class="ident">u8</span> <span class="op">=</span> <span class="ident">digits</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u8</span>;
<span class="kw">for</span> (<span class="ident">_index</span>, <span class="ident">digit</span>) <span class="kw">in</span> <span class="ident">digits</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() {
<span class="kw">if</span> <span class="ident">tens_place_holders</span>.<span class="ident">contains</span>(<span class="kw-2">&amp;</span><span class="ident">place</span>) {
<span class="ident">last</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="kw-2">*</span><span class="ident">digit</span>);
<span class="ident">place</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
<span class="kw">continue</span>;
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">last_digit</span>) <span class="op">=</span> <span class="ident">last</span> {
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;hello index {}&quot;</span>, <span class="ident">place</span>);
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">tens_place</span>(<span class="ident">last_digit</span>, <span class="kw-2">*</span><span class="ident">digit</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="kw">if</span> <span class="ident">place</span> <span class="op">&gt;</span> <span class="number">2</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">place_value</span>(<span class="number">0</span>, <span class="ident">place</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
}
<span class="ident">last</span> <span class="op">=</span> <span class="prelude-val">None</span>;
} <span class="kw">else</span> <span class="kw">if</span> <span class="kw-2">*</span><span class="ident">digit</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">place_value</span>(<span class="kw-2">*</span><span class="ident">digit</span>, <span class="ident">place</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>())
}
<span class="ident">place</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
}
<span class="ident">numtext</span>
<span class="doccomment">/// Macro which supports both seperator and without it</span>
<span class="attribute">#[<span class="ident">macro_export</span>]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">to_text</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">number</span>:<span class="ident">expr</span>) <span class="op">=</span><span class="op">&gt;</span> {
<span class="ident">ntext</span>::<span class="ident">to_text_no_seperator</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">number</span>);
};
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">number</span>:<span class="ident">expr</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">seperator</span>:<span class="ident">expr</span>) <span class="op">=</span><span class="op">&gt;</span> {
<span class="ident">ntext</span>::<span class="ident">to_text_with_seperator</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">number</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">seperator</span>);
};
}
</pre></div>
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docs/src/ntext/no_seperator.rs.html
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/no_seperator.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>no_seperator.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
<link rel="alternate icon" type="image/png" href="../../favicon-16x16.png">
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../ntext/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">digit_to_text</span>, <span class="ident">place_value</span>};
<span class="kw">fn</span> <span class="ident">tens_place</span>(<span class="ident">tens</span>: <span class="ident">u8</span>, <span class="ident">ones</span>: <span class="ident">u8</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">match</span> <span class="ident">tens</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">digit_to_text</span>(<span class="ident">ones</span>),
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">ones</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;ten&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;eleven&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;twelve&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;thirteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;fourteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;fifteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">6</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;sixteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">7</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;seventeen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;eighteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">9</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;nineteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
},
<span class="ident">d</span> @ <span class="number">2</span>..<span class="op">=</span><span class="number">5</span> <span class="op">|</span> <span class="ident">d</span> @ <span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>({
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">match</span> <span class="ident">d</span> {
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;twenty&quot;</span>),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;thirty&quot;</span>),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;forty&quot;</span>),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;fifty&quot;</span>),
<span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;eighty&quot;</span>),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> (),
}
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">digit_to_text</span>(<span class="ident">ones</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="ident">buffer</span>
}),
<span class="ident">d</span> @ <span class="number">6</span>..<span class="op">=</span><span class="number">9</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>({
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">string</span> <span class="op">=</span> <span class="ident">digit_to_text</span>(<span class="ident">d</span>).<span class="ident">unwrap</span>() <span class="op">+</span> <span class="string">&quot;ty&quot;</span>;
<span class="ident">string</span>.<span class="ident">push_str</span>(<span class="ident">digit_to_text</span>(<span class="ident">ones</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="ident">string</span>
}),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
}
}
<span class="doccomment">/// Convert u32 to words in a string.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_text_no_seperator</span>(<span class="ident">number</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">numtext</span>: <span class="ident">String</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">last</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">let</span> <span class="ident">tens_place_holders</span>: [<span class="ident">u8</span>; <span class="number">2</span>] <span class="op">=</span> [<span class="number">2</span>, <span class="number">5</span>];
<span class="kw">let</span> <span class="ident">digits</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="op">=</span> <span class="ident">number</span>
.<span class="ident">to_string</span>()
.<span class="ident">chars</span>()
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">d</span><span class="op">|</span> <span class="ident">d</span>.<span class="ident">to_digit</span>(<span class="number">10</span>).<span class="ident">unwrap</span>() <span class="kw">as</span> <span class="ident">u8</span>)
.<span class="ident">collect</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">place</span>: <span class="ident">u8</span> <span class="op">=</span> <span class="ident">digits</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u8</span>;
<span class="kw">for</span> (<span class="ident">_index</span>, <span class="ident">digit</span>) <span class="kw">in</span> <span class="ident">digits</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() {
<span class="kw">if</span> <span class="ident">tens_place_holders</span>.<span class="ident">contains</span>(<span class="kw-2">&amp;</span><span class="ident">place</span>) {
<span class="ident">last</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="kw-2">*</span><span class="ident">digit</span>);
<span class="ident">place</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
<span class="kw">continue</span>;
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">last_digit</span>) <span class="op">=</span> <span class="ident">last</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">tens_place</span>(<span class="ident">last_digit</span>, <span class="kw-2">*</span><span class="ident">digit</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="kw">if</span> <span class="ident">place</span> <span class="op">&gt;</span> <span class="number">2</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">place_value</span>(<span class="number">0</span>, <span class="ident">place</span>, <span class="prelude-val">None</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
}
<span class="ident">last</span> <span class="op">=</span> <span class="prelude-val">None</span>;
} <span class="kw">else</span> <span class="kw">if</span> <span class="kw-2">*</span><span class="ident">digit</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">place_value</span>(<span class="kw-2">*</span><span class="ident">digit</span>, <span class="ident">place</span>, <span class="prelude-val">None</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>())
}
<span class="ident">place</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
}
<span class="ident">numtext</span>
}
</pre></div>
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docs/src/ntext/seperator.rs.html
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/seperator.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>seperator.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
<link rel="alternate icon" type="image/png" href="../../favicon-16x16.png">
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../ntext/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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<span id="64">64</span>
<span id="65">65</span>
<span id="66">66</span>
<span id="67">67</span>
<span id="68">68</span>
<span id="69">69</span>
<span id="70">70</span>
<span id="71">71</span>
<span id="72">72</span>
<span id="73">73</span>
<span id="74">74</span>
<span id="75">75</span>
<span id="76">76</span>
<span id="77">77</span>
<span id="78">78</span>
<span id="79">79</span>
<span id="80">80</span>
<span id="81">81</span>
<span id="82">82</span>
<span id="83">83</span>
<span id="84">84</span>
<span id="85">85</span>
<span id="86">86</span>
</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">digit_to_text</span>, <span class="ident">place_value</span>};
<span class="kw">fn</span> <span class="ident">tens_place_seperator</span>(<span class="ident">tens</span>: <span class="ident">u8</span>, <span class="ident">ones</span>: <span class="ident">u8</span>, <span class="ident">seperator</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">match</span> <span class="ident">tens</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">digit_to_text</span>(<span class="ident">ones</span>),
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">ones</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;ten&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">1</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;eleven&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;twelve&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;thirteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;fourteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;fifteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">6</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;sixteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">7</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;seventeen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;eighteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="number">9</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="string">&quot;nineteen&quot;</span>.<span class="ident">to_string</span>()),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
},
<span class="ident">d</span> @ <span class="number">2</span>..<span class="op">=</span><span class="number">5</span> <span class="op">|</span> <span class="ident">d</span> @ <span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>({
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">match</span> <span class="ident">d</span> {
<span class="number">2</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;twenty&quot;</span>),
<span class="number">3</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;thirty&quot;</span>),
<span class="number">4</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;forty&quot;</span>),
<span class="number">5</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;fifty&quot;</span>),
<span class="number">8</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="string">&quot;eighty&quot;</span>),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> (),
}
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">seperator</span>);
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">digit_to_text</span>(<span class="ident">ones</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="ident">buffer</span>
}),
<span class="ident">d</span> @ <span class="number">6</span>..<span class="op">=</span><span class="number">9</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>({
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">digit_to_text</span>(<span class="ident">d</span>).<span class="ident">unwrap</span>() <span class="op">+</span> <span class="string">&quot;ty&quot;</span>;
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">seperator</span>);
<span class="ident">buffer</span>.<span class="ident">push_str</span>(<span class="ident">digit_to_text</span>(<span class="ident">ones</span>).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
<span class="ident">buffer</span>
}),
<span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
}
}
<span class="doccomment">/// Convert u32 to words in a string seperated by a seperator.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_text_with_seperator</span>(<span class="ident">number</span>: <span class="ident">u32</span>, <span class="ident">seperator</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">String</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">numtext</span>: <span class="ident">String</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">new</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">last</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="kw">let</span> <span class="ident">tens_place_holders</span>: [<span class="ident">u8</span>; <span class="number">2</span>] <span class="op">=</span> [<span class="number">2</span>, <span class="number">5</span>];
<span class="kw">let</span> <span class="ident">digits</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span> <span class="op">=</span> <span class="ident">number</span>
.<span class="ident">to_string</span>()
.<span class="ident">chars</span>()
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">d</span><span class="op">|</span> <span class="ident">d</span>.<span class="ident">to_digit</span>(<span class="number">10</span>).<span class="ident">unwrap</span>() <span class="kw">as</span> <span class="ident">u8</span>)
.<span class="ident">collect</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">place</span>: <span class="ident">u8</span> <span class="op">=</span> <span class="ident">digits</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u8</span>;
<span class="kw">for</span> (<span class="ident">_index</span>, <span class="ident">digit</span>) <span class="kw">in</span> <span class="ident">digits</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() {
<span class="kw">if</span> <span class="ident">tens_place_holders</span>.<span class="ident">contains</span>(<span class="kw-2">&amp;</span><span class="ident">place</span>) {
<span class="ident">last</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="kw-2">*</span><span class="ident">digit</span>);
<span class="ident">place</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
<span class="kw">continue</span>;
}
<span class="kw">if</span> <span class="kw-2">*</span><span class="ident">digit</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> <span class="op">&amp;&amp;</span> <span class="ident">place</span> <span class="op">!</span><span class="op">=</span> <span class="ident">digits</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u8</span> <span class="op">&amp;&amp;</span> <span class="ident">numtext</span> <span class="op">!</span><span class="op">=</span> <span class="string">&quot;&quot;</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">seperator</span>);
}
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">last_digit</span>) <span class="op">=</span> <span class="ident">last</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(
<span class="ident">tens_place_seperator</span>(<span class="ident">last_digit</span>, <span class="kw-2">*</span><span class="ident">digit</span>, <span class="ident">seperator</span>)
.<span class="ident">unwrap</span>()
.<span class="ident">as_str</span>(),
);
<span class="kw">if</span> <span class="ident">place</span> <span class="op">&gt;</span> <span class="number">2</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">seperator</span>);
<span class="ident">numtext</span>.<span class="ident">push_str</span>(<span class="ident">place_value</span>(<span class="number">0</span>, <span class="ident">place</span>, <span class="prelude-val">Some</span>(<span class="ident">seperator</span>)).<span class="ident">unwrap</span>().<span class="ident">as_str</span>());
}
<span class="ident">last</span> <span class="op">=</span> <span class="prelude-val">None</span>;
} <span class="kw">else</span> <span class="kw">if</span> <span class="kw-2">*</span><span class="ident">digit</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> {
<span class="ident">numtext</span>.<span class="ident">push_str</span>(
<span class="ident">place_value</span>(<span class="kw-2">*</span><span class="ident">digit</span>, <span class="ident">place</span>, <span class="prelude-val">Some</span>(<span class="ident">seperator</span>))
.<span class="ident">unwrap</span>()
.<span class="ident">as_str</span>(),
);
}
<span class="ident">place</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
}
<span class="ident">numtext</span>
}
</pre></div>
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docs/src/ntext/test.rs.html
+16 -10
View File
@@ -34,6 +34,9 @@
<span id="31">31</span>
<span id="32">32</span>
<span id="33">33</span>
<span id="34">34</span>
<span id="35">35</span>
<span id="36">36</span>
</pre><div class="example-wrap"><pre class="rust ">
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
@@ -47,8 +50,7 @@
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">numbers</span>() {
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">to_text</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">to_text_no_seperator</span> <span class="kw">as</span> <span class="ident">to_text</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">to_text</span>(<span class="number">1</span>), <span class="string">&quot;one&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">to_text</span>(<span class="number">10</span>), <span class="string">&quot;ten&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">to_text</span>(<span class="number">100</span>), <span class="string">&quot;onehundred&quot;</span>);
@@ -58,14 +60,18 @@
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">to_text</span>(<span class="number">12</span>), <span class="string">&quot;twelve&quot;</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">tens</span>() {
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">tens_place</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tens_place</span>(<span class="number">1</span>, <span class="number">2</span>).<span class="ident">unwrap</span>(), <span class="string">&quot;twelve&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tens_place</span>(<span class="number">7</span>, <span class="number">6</span>).<span class="ident">unwrap</span>(), <span class="string">&quot;seventysix&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tens_place</span>(<span class="number">5</span>, <span class="number">7</span>).<span class="ident">unwrap</span>(), <span class="string">&quot;fiftyseven&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tens_place</span>(<span class="number">2</span>, <span class="number">3</span>).<span class="ident">unwrap</span>(), <span class="string">&quot;twentythree&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tens_place</span>(<span class="number">6</span>, <span class="number">9</span>).<span class="ident">unwrap</span>(), <span class="string">&quot;sixtynine&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tens_place</span>(<span class="number">0</span>, <span class="number">9</span>).<span class="ident">unwrap</span>(), <span class="string">&quot;nine&quot;</span>);
<span class="kw">fn</span> <span class="ident">numbers_seperator</span>() {
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">to_text_with_seperator</span> <span class="kw">as</span> <span class="ident">to_text</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">to_text</span>(<span class="number">103</span>, <span class="string">&quot;/&quot;</span>), <span class="string">&quot;one/hundred/three&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">to_text</span>(<span class="number">1000</span>, <span class="string">&quot;/&quot;</span>), <span class="string">&quot;one/thousand&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">to_text</span>(<span class="number">12345</span>, <span class="string">&quot;/&quot;</span>),
<span class="string">&quot;twelve/thousand/three/hundred/forty/five&quot;</span>
);
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="ident">to_text</span>(<span class="number">651243</span>, <span class="string">&quot;/&quot;</span>),
<span class="string">&quot;six/million/fifty/one/thousand/two/hundred/forty/three&quot;</span>
);
}
}
</pre></div>