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Hoist to_uppercase out of the loop

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This commit is contained in:
Tomasz Miąsko 2022-01-17 00:00:00 +00:00
parent d502eda250
commit f93bd000a3
1 changed files with 2 additions and 1 deletions
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3
compiler/rustc_span/src/lev_distance.rs
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@ -56,6 +56,7 @@ pub fn find_best_match_for_name(
dist: Option<usize>, dist: Option<usize>,
) -> Option<Symbol> { ) -> Option<Symbol> {
let lookup = lookup.as_str(); let lookup = lookup.as_str();
let lookup_uppercase = lookup.to_uppercase();
let max_dist = dist.unwrap_or_else(|| cmp::max(lookup.len(), 3) / 3); let max_dist = dist.unwrap_or_else(|| cmp::max(lookup.len(), 3) / 3);
// Priority of matches: // Priority of matches:
@ -63,7 +64,7 @@ pub fn find_best_match_for_name(
// 2. Levenshtein distance match // 2. Levenshtein distance match
// 3. Sorted word match // 3. Sorted word match
if let Some(case_insensitive_match) = if let Some(case_insensitive_match) =
name_vec.iter().find(|candidate| candidate.as_str().to_uppercase() == lookup.to_uppercase()) name_vec.iter().find(|candidate| candidate.as_str().to_uppercase() == lookup_uppercase)
{ {
return Some(*case_insensitive_match); return Some(*case_insensitive_match);
} }