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Made this more idiomatic

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Sean Bowe
2015-12-28 02:13:31 -07:00
parent 316b65514c
commit 5b40589bc0
1 changed files with 6 additions and 3 deletions
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9
src/keccak.rs
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@@ -344,14 +344,17 @@ struct Byte {
} }
impl Byte { impl Byte {
// TODO: change this name
fn unwrap_constant(&self) -> u8 { fn unwrap_constant(&self) -> u8 {
let mut cur = 7; let mut cur = 7;
let mut acc = 0; let mut acc = 0;
for bit in &self.bits { for bit in &self.bits {
if let &Bit::Constant(1) = bit { match bit {
acc |= 0b00000001 << cur; &Bit::Constant(1) => {
acc |= 0b00000001 << cur;
},
&Bit::Constant(0) => {},
_ => panic!("Tried to unwrap a constant from a non-constant")
} }
cur -= 1; cur -= 1;
} }