mirror of https://github.com/encounter/nod-rs.git
47 lines
1.2 KiB
Rust
47 lines
1.2 KiB
Rust
use std::ops::{Div, Rem};
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pub(crate) mod compress;
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pub(crate) mod lfg;
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pub(crate) mod read;
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pub(crate) mod take_seek;
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#[inline(always)]
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pub(crate) fn div_rem<T>(x: T, y: T) -> (T, T)
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where T: Div<Output = T> + Rem<Output = T> + Copy {
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let quot = x / y;
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let rem = x % y;
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(quot, rem)
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}
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/// Creates a fixed-size array reference from a slice.
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#[macro_export]
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macro_rules! array_ref {
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($slice:expr, $offset:expr, $size:expr) => {{
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#[inline(always)]
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fn to_array<T>(slice: &[T]) -> &[T; $size] {
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unsafe { &*(slice.as_ptr() as *const [_; $size]) }
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}
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to_array(&$slice[$offset..$offset + $size])
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}};
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}
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/// Creates a mutable fixed-size array reference from a slice.
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#[macro_export]
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macro_rules! array_ref_mut {
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($slice:expr, $offset:expr, $size:expr) => {{
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#[inline(always)]
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fn to_array<T>(slice: &mut [T]) -> &mut [T; $size] {
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unsafe { &mut *(slice.as_ptr() as *mut [_; $size]) }
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}
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to_array(&mut $slice[$offset..$offset + $size])
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}};
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}
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/// Compile-time assertion.
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#[macro_export]
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macro_rules! static_assert {
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($condition:expr) => {
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const _: () = core::assert!($condition);
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};
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}
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