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70 lines
1.1 KiB
70 lines
1.1 KiB
//! Implementing `Collapse` for primitive types
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use super::*;
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macro_rules! collapse {
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(unsafe $type:ty) => {
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impl Collapsible for $type
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{
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#[inline] fn collapse(&self) -> u8
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{
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collapse(unsafe {
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std::slice::from_raw_parts(self as *const Self as *const u8, std::mem::size_of_val::<Self>(self))
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})
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}
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}
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};
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(char) => {
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impl Collapsible for char
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{
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#[inline] fn collapse(&self) -> u8
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{
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(u32::from(*self) % (MAX as u32)) as u8
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}
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}
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};
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($type:ty) => {
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impl Collapsible for $type
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{
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#[inline] fn collapse(&self) -> u8
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{
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const _: &[(); 1] = &[(); (((MAX as $type) as usize) == MAX) as usize];
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(*self % MAX as Self) as u8
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}
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}
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};
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}
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impl Collapsible for bool
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{
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#[inline] fn collapse(&self) -> u8
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{
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*self as u8
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}
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}
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impl Collapsible for u8
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{
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#[inline] fn collapse(&self) -> u8
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{
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*self
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}
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}
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impl Collapsible for i8
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{
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#[inline] fn collapse(&self) -> u8
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{
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*self as u8
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}
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}
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collapse!(char);
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collapse!(u16);
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collapse!(i16);
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collapse!(i32);
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collapse!(u32);
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collapse!(u64);
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collapse!(i64);
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collapse!(i128);
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collapse!(u128);
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