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Rollup merge of #99103 - TaKO8Ki:avoid-&str-to-string-conversions, r=oli-obk

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Avoid some `&str` to `String` conversions

This patch removes some `&str` to `String` conversions.
This commit is contained in:
Matthias Krüger 2022-07-10 11:52:17 +02:00 • committed by GitHub
commit 86af7135ae
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13 changed files with 23 additions and 34 deletions
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3
compiler/rustc_span/src/hygiene.rs
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@ -629,8 +629,7 @@ pub fn debug_hygiene_data(verbose: bool) -> String {
if verbose {
format!("{:#?}", data)
} else {
let mut s = String::from("");
s.push_str("Expansions:");
let mut s = String::from("Expansions:");
let mut debug_expn_data = |(id, expn_data): (&ExpnId, &ExpnData)| {
s.push_str(&format!(
"\n{:?}: parent: {:?}, call_site_ctxt: {:?}, def_site_ctxt: {:?}, kind: {:?}",