bjoernager/rust
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Auto merge of #138566 - yotamofek:pr/strip-prefix, r=nnethercote

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Use `strip_{prefix|suffix}` instead of `{starts|ends}_with`+indexing

Randomly scratching an itch 😁
This commit is contained in:
bors 2025-03-17 07:34:25 +00:00
commit 9bad8ac498
7 changed files with 20 additions and 21 deletions
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3
compiler/rustc_driver_impl/src/lib.rs
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@ -457,8 +457,7 @@ pub enum Compilation {
fn handle_explain(early_dcx: &EarlyDiagCtxt, registry: Registry, code: &str, color: ColorConfig) {
// Allow "E0123" or "0123" form.
let upper_cased_code = code.to_ascii_uppercase();
let start = if upper_cased_code.starts_with('E') { 1 } else { 0 };
if let Ok(code) = upper_cased_code[start..].parse::<u32>()
if let Ok(code) = upper_cased_code.strip_prefix('E').unwrap_or(&upper_cased_code).parse::<u32>()
&& let Ok(description) = registry.try_find_description(ErrCode::from_u32(code))
{
let mut is_in_code_block = false;