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Rollup merge of #103656 - camsteffen:symbol-to-string, r=compiler-errors

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Specialize ToString for Symbol
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Matthias Krüger 2022-10-29 08:57:36 +02:00 • committed by GitHub
commit f41b1bfd0f
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7
compiler/rustc_span/src/symbol.rs
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@ -1901,6 +1901,13 @@ impl fmt::Display for Symbol {
} }
} }
// takes advantage of `str::to_string` specialization
impl ToString for Symbol {
fn to_string(&self) -> String {
self.as_str().to_string()
}
}
impl<S: Encoder> Encodable<S> for Symbol { impl<S: Encoder> Encodable<S> for Symbol {
default fn encode(&self, s: &mut S) { default fn encode(&self, s: &mut S) {
s.emit_str(self.as_str()); s.emit_str(self.as_str());