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chg: don't assume that default features are available on all targets

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Signed-off-by: Anjan Roy <hello@itzmeanjan.in>
This commit is contained in:
Anjan Roy
2022-12-10 12:49:38 +04:00
parent aa4e313690
commit 0d713af4ac
1 changed files with 7 additions and 1 deletions
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8
src/hash/blake/mod.rs
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@@ -5,6 +5,7 @@ use core::{
ops::Deref, ops::Deref,
slice::from_raw_parts, slice::from_raw_parts,
}; };
use winter_utils::collections::Vec;
#[cfg(test)] #[cfg(test)]
mod tests; mod tests;
@@ -277,7 +278,12 @@ where
blake3::hash(E::elements_as_bytes(elements)) blake3::hash(E::elements_as_bytes(elements))
} else { } else {
let blen = elements.len() << 3; let blen = elements.len() << 3;
let mut bytes = vec![0u8; blen];
let mut bytes = Vec::with_capacity(blen);
#[allow(clippy::uninit_vec)]
unsafe {
bytes.set_len(blen)
}
for (idx, element) in E::as_base_elements(elements).iter().enumerate() { for (idx, element) in E::as_base_elements(elements).iter().enumerate() {
bytes[idx * 8..(idx + 1) * 8].copy_from_slice(&element.as_int().to_le_bytes()); bytes[idx * 8..(idx + 1) * 8].copy_from_slice(&element.as_int().to_le_bytes());