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Merge commit '2ca58e7dda' into clippyup

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This commit is contained in:
flip1995 2020-07-14 14:59:59 +02:00
parent b57ceb45b0
commit 6f25adbd5a
143 changed files with 4317 additions and 1084 deletions
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16
clippy_lints/src/len_zero.rs
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@ -302,16 +302,12 @@ fn has_is_empty(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
let ty = &walk_ptrs_ty(cx.tables().expr_ty(expr));
match ty.kind {
ty::Dynamic(ref tt, ..) => {
if let Some(principal) = tt.principal() {
cx.tcx
.associated_items(principal.def_id())
.in_definition_order()
.any(|item| is_is_empty(cx, &item))
} else {
false
}
},
ty::Dynamic(ref tt, ..) => tt.principal().map_or(false, |principal| {
cx.tcx
.associated_items(principal.def_id())
.in_definition_order()
.any(|item| is_is_empty(cx, &item))
}),
ty::Projection(ref proj) => has_is_empty_impl(cx, proj.item_def_id),
ty::Adt(id, _) => has_is_empty_impl(cx, id.did),
ty::Array(..) | ty::Slice(..) | ty::Str => true,