You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
879 B
57 lines
879 B
//! Implementing `Collapse` for primitive types
|
|
use super::*;
|
|
|
|
macro_rules! collapse {
|
|
(char) => {
|
|
impl Collapse for char
|
|
{
|
|
#[inline] fn collapse(&self) -> u8
|
|
{
|
|
(u32::from(*self) % (MAX as u32)) as u8
|
|
}
|
|
}
|
|
};
|
|
($type:ty) => {
|
|
impl Collapse for $type
|
|
{
|
|
#[inline] fn collapse(&self) -> u8
|
|
{
|
|
const _: &[(); 1] = &[(); (((MAX as $type) as usize) == MAX) as usize];
|
|
(*self % MAX as Self) as u8
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
impl Collapse for bool
|
|
{
|
|
#[inline] fn collapse(&self) -> u8
|
|
{
|
|
*self as u8
|
|
}
|
|
}
|
|
impl Collapse for u8
|
|
{
|
|
#[inline] fn collapse(&self) -> u8
|
|
{
|
|
*self
|
|
}
|
|
}
|
|
|
|
impl Collapse for i8
|
|
{
|
|
#[inline] fn collapse(&self) -> u8
|
|
{
|
|
*self as u8
|
|
}
|
|
}
|
|
collapse!(char);
|
|
collapse!(u16);
|
|
collapse!(i16);
|
|
collapse!(i32);
|
|
collapse!(u32);
|
|
collapse!(u64);
|
|
collapse!(i64);
|
|
collapse!(i128);
|
|
collapse!(u128);
|