Source code
Revision control
Copy as Markdown
Other Tools
#![allow(clippy::missing_docs_in_private_items)] // TODO temporary
macro_rules! declare_structs {
($($t:ident)*) => {$(
#[derive(Debug, Copy, Clone)]
pub struct $t;
impl $t {
pub const fn per<T>(self, _: T) -> <(Self, T) as Per>::Output
where
(Self, T): Per,
T: Copy,
{
<(Self, T)>::VALUE
}
}
)*};
}
declare_structs! {
Nanosecond
Microsecond
Millisecond
Second
Minute
Hour
Day
Week
}
mod sealed {
pub trait Sealed {}
}
pub trait Per: sealed::Sealed {
type Output;
const VALUE: Self::Output;
}
macro_rules! impl_per {
($($t:ty : $x:ident in $y:ident = $val:expr)*) => {$(
impl sealed::Sealed for ($x, $y) {}
impl Per for ($x, $y) {
type Output = $t;
const VALUE: $t = $val;
}
)*};
}
impl_per! {
u16: Nanosecond in Microsecond = 1_000
u32: Nanosecond in Millisecond = 1_000_000
u32: Nanosecond in Second = 1_000_000_000
u64: Nanosecond in Minute = 60_000_000_000
u64: Nanosecond in Hour = 3_600_000_000_000
u64: Nanosecond in Day = 86_400_000_000_000
u64: Nanosecond in Week = 604_800_000_000_000
u16: Microsecond in Millisecond = 1_000
u32: Microsecond in Second = 1_000_000
u32: Microsecond in Minute = 60_000_000
u32: Microsecond in Hour = 3_600_000_000
u64: Microsecond in Day = 86_400_000_000
u64: Microsecond in Week = 604_800_000_000
u16: Millisecond in Second = 1_000
u16: Millisecond in Minute = 60_000
u32: Millisecond in Hour = 3_600_000
u32: Millisecond in Day = 86_400_000
u32: Millisecond in Week = 604_800_000
u8: Second in Minute = 60
u16: Second in Hour = 3_600
u32: Second in Day = 86_400
u32: Second in Week = 604_800
u8: Minute in Hour = 60
u16: Minute in Day = 1_440
u16: Minute in Week = 10_080
u8: Hour in Day = 24
u8: Hour in Week = 168
u8: Day in Week = 7
}