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// Copyright 2015-2016 Brian Smith.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

//! Polyfills for functionality that will (hopefully) be added to Rust's
//! standard library soon.

#[macro_use]
pub mod convert;

#[inline(always)]
pub const fn u64_from_usize(x: usize) -> u64 {
    x as u64
}

#[inline(always)]
pub fn usize_from_u32(x: u32) -> usize {
    x as usize
}

pub mod slice {
    // https://github.com/rust-lang/rust/issues/27750
    // https://internals.rust-lang.org/t/stabilizing-basic-functions-on-arrays-and-slices/2868
    #[inline(always)]
    pub fn fill(dest: &mut [u8], value: u8) {
        for d in dest {
            *d = value;
        }
    }
}