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Reduce nesting in if blocks by short circuiting

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This commit is contained in:
Marcin Puc
2021-09-10 21:52:09 +02:00
committed by Martin Nordholts
parent 9124271eaf
commit 372e42f350
5 changed files with 80 additions and 84 deletions
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12
src/less.rs
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@ -11,13 +11,13 @@ pub fn retrieve_less_version(less_path: &dyn AsRef<OsStr>) -> Option<usize> {
}
fn parse_less_version(output: &[u8]) -> Option<usize> {
if output.starts_with(b"less ") {
let version = std::str::from_utf8(&output[5..]).ok()?;
let end = version.find(|c: char| !c.is_ascii_digit())?;
version[..end].parse::<usize>().ok()
} else {
None
if !output.starts_with(b"less ") {
return None;
}
let version = std::str::from_utf8(&output[5..]).ok()?;
let end = version.find(|c: char| !c.is_ascii_digit())?;
version[..end].parse::<usize>().ok()
}
#[test]