#[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))]
#[inline(always)]
pub const fn u64_from_usize(x: usize) -> u64 {
x as u64
}
#[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))]
pub fn usize_from_u32(x: u32) -> usize {
x as usize
}
#[cfg(all(target_arch = "aarch64", target_pointer_width = "64"))]
#[allow(clippy::cast_possible_truncation)]
pub fn usize_from_u64(x: u64) -> usize {
x as usize
}
#[allow(clippy::cast_possible_truncation)]
#[inline(always)]
pub const fn usize_from_u64_saturated(x: u64) -> usize {
const USIZE_MAX: u64 = u64_from_usize(usize::MAX);
if x < USIZE_MAX {
x as usize
} else {
usize::MAX
}
}
mod array_flat_map;
mod array_flatten;
mod array_split_map;
#[cfg(feature = "alloc")]
mod leading_zeros_skipped;
#[cfg(test)]
mod test;
mod unwrap_const;
pub use self::{
array_flat_map::ArrayFlatMap, array_flatten::ArrayFlatten, array_split_map::ArraySplitMap,
unwrap_const::unwrap_const,
};
#[cfg(feature = "alloc")]
pub use leading_zeros_skipped::LeadingZerosStripped;
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_usize_from_u64_saturated() {
const USIZE_MAX: u64 = u64_from_usize(usize::MAX);
assert_eq!(usize_from_u64_saturated(u64::MIN), usize::MIN);
assert_eq!(usize_from_u64_saturated(USIZE_MAX), usize::MAX);
assert_eq!(usize_from_u64_saturated(USIZE_MAX - 1), usize::MAX - 1);
#[cfg(not(target_pointer_width = "64"))]
{
assert_eq!(usize_from_u64_saturated(USIZE_MAX + 1), usize::MAX);
}
}
}