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Use Option::map_or instead of .map(..).unwrap_or(..)
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src/librustdoc/clean/mod.rs

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Original file line numberDiff line numberDiff line change
@@ -942,7 +942,7 @@ impl<'a> Clean<Arguments> for (&'a [hir::Ty<'a>], &'a [Ident]) {
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.iter()
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.enumerate()
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.map(|(i, ty)| {
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let mut name = self.1.get(i).map(|ident| ident.name).unwrap_or(kw::Empty);
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let mut name = self.1.get(i).map_or(kw::Empty, |ident| ident.name);
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if name.is_empty() {
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name = kw::Underscore;
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}
@@ -1001,7 +1001,7 @@ impl<'tcx> Clean<FnDecl> for (DefId, ty::PolyFnSig<'tcx>) {
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.iter()
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.map(|t| Argument {
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type_: t.clean(cx),
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name: names.next().map(|i| i.name).unwrap_or(kw::Empty),
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name: names.next().map_or(kw::Empty, |i| i.name),
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})
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.collect(),
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},

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