mirror of
https://github.com/denoland/deno.git
synced 2024-12-20 22:34:46 -05:00
4791d16a8e
`cli::util::checksum` was showing up on flame graphs because it was concatenating allocated strings. We can use `faster-hex` to improve it.
27 lines
614 B
Rust
27 lines
614 B
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use ring::digest::Context;
|
|
use ring::digest::SHA256;
|
|
|
|
/// Generate a SHA256 checksum of a slice of byte-slice-like things.
|
|
pub fn gen(v: &[impl AsRef<[u8]>]) -> String {
|
|
let mut ctx = Context::new(&SHA256);
|
|
for src in v {
|
|
ctx.update(src.as_ref());
|
|
}
|
|
faster_hex::hex_string(ctx.finish().as_ref())
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_gen() {
|
|
let actual = gen(&[b"hello world"]);
|
|
assert_eq!(
|
|
actual,
|
|
"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
|
|
);
|
|
}
|
|
}
|