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denoland-deno/cli/checksum.rs

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Rust
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pub fn gen(v: Vec<&[u8]>) -> String {
let mut ctx = ring::digest::Context::new(&ring::digest::SHA256);
for src in v.iter() {
ctx.update(src);
}
let digest = ctx.finish();
let out: Vec<String> = digest
.as_ref()
.iter()
.map(|byte| format!("{:02x}", byte))
.collect();
out.join("")
}