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Code Issues Packages 1 Wiki Activity

refactor(cli/checksum): use map to generate hex string (#6382)

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Fallenhh 2020-06-19 23:03:33 +08:00 • committed by GitHub
parent 5c8ce06c92
commit 1c5ab8bf1a
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1 changed files with 6 additions and 8 deletions
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14
cli/checksum.rs
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@ -1,15 +1,13 @@
use std::fmt::Write;
pub fn gen(v: Vec<&[u8]>) -> String { pub fn gen(v: Vec<&[u8]>) -> String {
let mut ctx = ring::digest::Context::new(&ring::digest::SHA256); let mut ctx = ring::digest::Context::new(&ring::digest::SHA256);
for src in v.iter() { for src in v.iter() {
ctx.update(src); ctx.update(src);
} }
let digest = ctx.finish(); let digest = ctx.finish();
let mut out = String::new(); let out: Vec<String> = digest
// TODO There must be a better way to do this... .as_ref()
for byte in digest.as_ref() { .iter()
write!(&mut out, "{:02x}", byte).unwrap(); .map(|byte| format!("{:02x}", byte))
} .collect();
out out.join("")
} }