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Rollup merge of #82030 - LingMan:init_directly, r=varkor

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Use `Iterator::all` instead of open-coding it

Shorter code and by initializing to the final value directly, the variable
doesn't need to be mut.
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Dylan DPC 2021-02-12 22:53:38 +01:00 committed by GitHub
commit 1ef566fc7c
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1 changed files with 2 additions and 8 deletions
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10
compiler/rustc_typeck/src/check/upvar.rs
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@ -1382,14 +1382,8 @@ fn determine_place_ancestry_relation(
// Assume of length of projections_b = m // Assume of length of projections_b = m
let projections_b = &place_b.projections; let projections_b = &place_b.projections;
let mut same_initial_projections = true; let same_initial_projections =
projections_a.iter().zip(projections_b.iter()).all(|(proj_a, proj_b)| proj_a == proj_b);
for (proj_a, proj_b) in projections_a.iter().zip(projections_b.iter()) {
if proj_a != proj_b {
same_initial_projections = false;
break;
}
}
if same_initial_projections { if same_initial_projections {
// First min(n, m) projections are the same // First min(n, m) projections are the same