A few iterator-related improvements#55067
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Errors fixed, comment addressed. |
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…r=petrochenkov A few iterator-related improvements - typeck: don't collect into a vector when unnecessary - create only one vector when winnowing candidates - change a cloning map to `into_iter`
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| // Typecheck the patterns first, so that we get types for all the | ||
| // bindings. | ||
| let all_arm_pats_diverge: Vec<_> = arms.iter().map(|arm| { | ||
| let all_arm_pats_diverge = arms.iter().map(|arm| { |
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I think this change injected #55810, because it delayed our type-checking of the patterns. (Note the comment right above this line.)
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into_iter