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shuf: clean up returning Err

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This commit is contained in:
Jeong YunWon 2021-06-11 14:25:30 +09:00
parent 2dd9822d57
commit 9c56a40bcb
1 changed files with 6 additions and 8 deletions
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14
src/uu/shuf/src/shuf.rs
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@ -285,14 +285,12 @@ fn parse_range(input_range: &str) -> Result<(usize, usize), String> {
if split.len() != 2 {
Err(format!("invalid input range: '{}'", input_range))
} else {
let begin = match split[0].parse::<usize>() {
Ok(m) => m,
Err(_) => return Err(format!("invalid input range: '{}'", split[0])),
};
let end = match split[1].parse::<usize>() {
Ok(m) => m,
Err(_) => return Err(format!("invalid input range: '{}'", split[1])),
};
let begin = split[0]
.parse::<usize>()
.map_err(|_| format!("invalid input range: '{}'", split[0]))?;
let end = split[1]
.parse::<usize>()
.map_err(|_| format!("invalid input range: '{}'", split[1]))?;
Ok((begin, end + 1))
}
}