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Fewer allocations

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This commit is contained in:
Kirill Bulatov 2020-12-19 20:42:16 +02:00
parent 0415dcd832
commit b45ec84739
1 changed files with 7 additions and 5 deletions
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12
crates/completion/src/completions/unqualified_path.rs
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@ -146,8 +146,9 @@ fn fuzzy_completion(acc: &mut Completions, ctx: &CompletionContext) -> Option<()
.filter(|(mod_path, _)| mod_path.len() > 1) .filter(|(mod_path, _)| mod_path.len() > 1)
.collect::<Vec<_>>(); .collect::<Vec<_>>();
let user_input_lowercased = potential_import_name.to_lowercase();
all_mod_paths.sort_by_cached_key(|(mod_path, _)| { all_mod_paths.sort_by_cached_key(|(mod_path, _)| {
compute_fuzzy_completion_order_key(mod_path, &potential_import_name) compute_fuzzy_completion_order_key(mod_path, &user_input_lowercased)
}); });
acc.add_all(all_mod_paths.into_iter().filter_map(|(import_path, definition)| { acc.add_all(all_mod_paths.into_iter().filter_map(|(import_path, definition)| {
@ -160,15 +161,16 @@ fn fuzzy_completion(acc: &mut Completions, ctx: &CompletionContext) -> Option<()
Some(()) Some(())
} }
fn compute_fuzzy_completion_order_key(proposed_mod_path: &ModPath, user_input: &str) -> usize { fn compute_fuzzy_completion_order_key(
proposed_mod_path: &ModPath,
user_input_lowercased: &str,
) -> usize {
mark::hit!(certain_fuzzy_order_test); mark::hit!(certain_fuzzy_order_test);
let proposed_import_name = match proposed_mod_path.segments.last() { let proposed_import_name = match proposed_mod_path.segments.last() {
Some(name) => name.to_string().to_lowercase(), Some(name) => name.to_string().to_lowercase(),
None => return usize::MAX, None => return usize::MAX,
}; };
let user_input = user_input.to_lowercase(); match proposed_import_name.match_indices(user_input_lowercased).next() {
match proposed_import_name.match_indices(&user_input).next() {
Some((first_matching_index, _)) => first_matching_index, Some((first_matching_index, _)) => first_matching_index,
None => usize::MAX, None => usize::MAX,
} }