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tr: lazily generate the character mapping as necessary

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Krysztal112233 2024-03-18 12:04:02 +08:00
parent 727101ccf3
commit 4712015e61
1 changed files with 1 additions and 1 deletions
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2
src/uu/tr/src/operation.rs
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@ -129,11 +129,11 @@ impl Sequence {
truncate_set1_flag: bool,
) -> Result<(Vec<u8>, Vec<u8>), BadSequence> {
let set1 = Self::from_str(set1_str)?;
let set2 = Self::from_str(set2_str)?;
let is_char_star = |s: &&Self| -> bool { matches!(s, Self::CharStar(_)) };
let set1_star_count = set1.iter().filter(is_char_star).count();
if set1_star_count == 0 {
let set2 = Self::from_str(set2_str)?;
let set2_star_count = set2.iter().filter(is_char_star).count();
if set2_star_count < 2 {
let char_star = set2.iter().find_map(|s| match s {