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array pattern

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This commit is contained in:
Bastian Kauschke
2020-09-17 10:01:24 +02:00
parent 3435683fd5
commit bfb221b21e
1 changed files with 4 additions and 4 deletions
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compiler/rustc_mir_build/src/thir/pattern/_match.rs
+4 -4
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@@ -2300,18 +2300,18 @@ fn range_borders(r: IntRange<'_>) -> impl Iterator<Item = Border> {
split_ctors.extend(
borders
.array_windows()
.filter_map(|&[fst, snd]| match (fst, snd) {
(Border::JustBefore(n), Border::JustBefore(m)) => {
.filter_map(|&pair| match pair {
[Border::JustBefore(n), Border::JustBefore(m)] => {
if n < m {
Some(IntRange { range: n..=(m - 1), ty, span })
} else {
None
}
}
(Border::JustBefore(n), Border::AfterMax) => {
[Border::JustBefore(n), Border::AfterMax] => {
Some(IntRange { range: n..=u128::MAX, ty, span })
}
(Border::AfterMax, _) => None,
[Border::AfterMax, _] => None,
})
.map(IntRange),
);