[init] Initial commit

examples/date.rs

@@ -0,0 +1,101 @@
+use comptime_builder::*;
+
+impl<Y, M, D> WithField<1, u16, Date> for DateBuilder<Y, M, D> {
+    type Output = DateBuilder<Field<1, u16>, M, D>;
+    fn with_field(self, value: u16) -> Self::Output {
+        DateBuilder {
+            year: Field(value),
+            month: self.month,
+            day: self.day,
+        }
+    }
+}
+
+impl<Y, M, D> WithField<2, u8, Date> for DateBuilder<Y, M, D> {
+    type Output = DateBuilder<Y, Field<2, u8>, D>;
+    fn with_field(self, value: u8) -> Self::Output {
+        DateBuilder {
+            year: self.year,
+            month: Field(value),
+            day: self.day,
+        }
+    }
+}
+
+impl<Y, M, D> WithField<3, u8, Date> for DateBuilder<Y, M, D> {
+    type Output = DateBuilder<Y, M, Field<3, u8>>;
+    fn with_field(self, value: u8) -> Self::Output {
+        DateBuilder {
+            year: self.year,
+            month: self.month,
+            day: Field(value),
+        }
+    }
+}
+
+pub trait WithYear: WithField<1, u16, Date> {
+    fn with_year(self, value: u16) -> Self::Output {
+        self.with_field(value)
+    }
+}
+
+impl<T> WithYear for T where T: WithField<1, u16, Date> {}
+
+pub trait WithMonth: WithField<2, u8, Date> {
+    fn with_month(self, value: u8) -> Self::Output {
+        self.with_field(value)
+    }
+}
+
+impl<T> WithMonth for T where T: WithField<2, u8, Date> {}
+
+pub trait WithDay: WithField<3, u8, Date> {
+    fn with_day(self, value: u8) -> Self::Output {
+        self.with_field(value)
+    }
+}
+
+impl<T> WithDay for T where T: WithField<3, u8, Date> {}
+
+pub struct DateBuilder<Year, Month, Day> {
+    year: Year,
+    month: Month,
+    day: Day,
+}
+
+impl DateBuilder<Field<1, u16>, Field<2, u8>, Field<3, u8>> {
+    fn build(self) -> Date {
+        Date {
+            year: self.year.0,
+            month: self.month.0,
+            day: self.day.0,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct Date {
+    year: u16,
+    month: u8,
+    day: u8,
+}
+pub struct Empty;
+
+impl Date {
+    pub fn builder() -> DateBuilder<Empty, Empty, Empty> {
+        DateBuilder {
+            year: Empty,
+            month: Empty,
+            day: Empty,
+        }
+    }
+}
+
+pub fn main() {
+    let date = Date::builder()
+        .with_year(2022)
+        .with_month(5)
+        .with_day(1)
+        .build();
+    dbg!(date);
+}

examples/derive.rs

@@ -0,0 +1,12 @@
+use comptime_builder::Builder;
+
+#[derive(Builder)]
+pub struct MyStruct<T1, T2> {
+    pub my_field: T1,
+    pub my_other_field: T2,
+    pub our_field: String,
+}
+
+pub fn main() {
+    
+}