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Code Issues Releases Activity

allow for construction of hash in const fn context

This commit is contained in:
Inanna Malick 2020-04-22 19:17:56 -07:00
parent fcb4b83419
commit 0031abcebd
1 changed files with 6 additions and 0 deletions
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6
src/lib.rs
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@ -198,6 +198,12 @@ fn counter_high(counter: u64) -> u32 {
#[derive(Clone, Copy, Hash)]
pub struct Hash([u8; OUT_LEN]);
/// Provided to allow for construction of magic hash values (eg null commit in git as [0; OUT_LEN])
pub const fn construct_magic_hash(bytes: [u8; OUT_LEN]) -> Hash {
Hash(bytes)
}
impl Hash {
/// The bytes of the `Hash`. Note that byte arrays don't provide
/// constant-time equality checking, so if you need to compare hashes,