bjoernager/rust
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fix clippy::single_char_pattern perf findings

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This commit is contained in:
Matthias Krüger 2021-12-13 22:58:58 +01:00
parent 1796de7bb1
commit 97e844a032
19 changed files with 36 additions and 36 deletions
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10
compiler/rustc_driver/src/lib.rs
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@ -872,7 +872,7 @@ Available lint options:
let print_lints = |lints: Vec<&Lint>| {
for lint in lints {
let name = lint.name_lower().replace("_", "-");
let name = lint.name_lower().replace('_', "-");
println!(
" {} {:7.7} {}",
padded(&name),
@ -908,10 +908,10 @@ Available lint options:
let print_lint_groups = |lints: Vec<(&'static str, Vec<LintId>)>| {
for (name, to) in lints {
let name = name.to_lowercase().replace("_", "-");
let name = name.to_lowercase().replace('_', "-");
let desc = to
.into_iter()
.map(|x| x.to_string().replace("_", "-"))
.map(|x| x.to_string().replace('_', "-"))
.collect::<Vec<String>>()
.join(", ");
println!(" {} {}", padded(&name), desc);
@ -960,7 +960,7 @@ fn print_flag_list<T>(
println!(
" {} {:>width$}=val -- {}",
cmdline_opt,
name.replace("_", "-"),
name.replace('_', "-"),
desc,
width = max_len
);
@ -1015,7 +1015,7 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> {
.iter()
.map(|&(name, ..)| ('C', name))
.chain(DB_OPTIONS.iter().map(|&(name, ..)| ('Z', name)))
.find(|&(_, name)| *opt == name.replace("_", "-"))
.find(|&(_, name)| *opt == name.replace('_', "-"))
.map(|(flag, _)| format!("{}. Did you mean `-{} {}`?", e, flag, opt)),
_ => None,
};