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Auto merge of #116069 - compiler-errors:debug-tuple, r=Nilstrieb
Fix debug printing of tuple Self-explanatory. Didn't create a UI test, but I guess I could -- not sure where debug output shows up in rustc_attrs to make a sufficient test, tho.
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commit
26eeea6a1b
@ -531,22 +531,18 @@ impl<I: Interner> DebugWithInfcx<I> for TyKind<I> {
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}
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Never => write!(f, "!"),
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Tuple(t) => {
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let mut iter = t.clone().into_iter();
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write!(f, "(")?;
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match iter.next() {
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None => return write!(f, ")"),
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Some(ty) => write!(f, "{:?}", &this.wrap(ty))?,
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};
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match iter.next() {
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None => return write!(f, ",)"),
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Some(ty) => write!(f, "{:?})", &this.wrap(ty))?,
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let mut count = 0;
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for ty in t.clone() {
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if count > 0 {
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write!(f, ", ")?;
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}
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write!(f, "{:?}", &this.wrap(ty))?;
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count += 1;
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}
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for ty in iter {
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write!(f, ", {:?}", &this.wrap(ty))?;
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// unary tuples need a trailing comma
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if count == 1 {
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write!(f, ",")?;
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}
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write!(f, ")")
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}
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