# tracing::span::Entered - Rust
API documentation for the Rust `Entered` struct in crate `tracing`.
Keywords: rust, rustlang, rust-lang, Entered

# Struct tracing::span::Entered [−] [src]

    #[must_use = "once a span has been entered, it should be exited"]pub struct Entered<'a> { /* fields omitted */ }

A guard representing a span which has been entered and is currently executing.

When the guard is dropped, the span will be exited.

This is returned by the `Span::enter` function.

## Trait Implementations

### `impl<'a> Debug for Entered<'a>` [src]

#### `fn fmt(&self, f: &mut Formatter<'_>) -> Result` [src]

Formats the value using the given formatter. Read more

### `impl<'a> Drop for Entered<'a>` [src]

#### `fn drop(&mut self)` [src]

Executes the destructor for this type. Read more

## Auto Trait Implementations

### `impl<'a> !RefUnwindSafe for Entered<'a>` [src]

### `impl<'a> Send for Entered<'a>` [src]

### `impl<'a> Sync for Entered<'a>` [src]

### `impl<'a> Unpin for Entered<'a>` [src]

### `impl<'a> !UnwindSafe for Entered<'a>` [src]

## Blanket Implementations

### `impl<T> Any for T where
T: 'static + ?Sized,` [src]

#### `pub fn type_id(&self) -> TypeId` [src]

Gets the `TypeId` of `self`. Read more

### `impl<T> Borrow<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow(&self) -> &T` [src]

Immutably borrows from an owned value. Read more

### `impl<T> BorrowMut<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow_mut(&mut self) -> &mut T` [src]

Mutably borrows from an owned value. Read more

### `impl<T> From<T> for T` [src]

#### `pub fn from(t: T) -> T` [src]

Performs the conversion.

### `impl<T> Instrument for T` [src]

#### `fn instrument(self, span: Span) -> Instrumented<Self>ⓘ

### Notable traits for Instrumented<T>

`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`
` [src]

Instruments this type with the provided `Span`, returning an `Instrumented` wrapper. Read more

#### `fn in_current_span(self) -> Instrumented<Self>ⓘ

### Notable traits for Instrumented<T>

`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`
` [src]

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more

### `impl<T, U> Into<U> for T where
U: From<T>,` [src]

#### `pub fn into(self) -> U` [src]

Performs the conversion.

### `impl<T, U> TryFrom<U> for T where
U: Into<T>,` [src]

#### `type Error = Infallible`

The type returned in the event of a conversion error.

#### `pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>` [src]

Performs the conversion.

### `impl<T, U> TryInto<U> for T where
U: TryFrom<T>,` [src]

#### `type Error = <U as TryFrom<T>>::Error`

The type returned in the event of a conversion error.

#### `pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>` [src]

Performs the conversion.