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Auto merge of #87140 - camsteffen:pat-slice-refs, r=oli-obk

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Remove refs from Pat slices

Changes `PatKind::Or(&'hir [&'hir Pat<'hir>])` to `PatKind::Or(&'hir [Pat<'hir>])` and others. This is more consistent with `ExprKind`, saves a little memory, and is a little easier to use.
This commit is contained in:
bors
2021-07-16 13:35:48 +00:00
parent 5c54d04ef6 81904a413e
commit 1b0e57800c
5 changed files with 14 additions and 14 deletions
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4
clippy_lints/src/manual_unwrap_or.rs
View File

@@ -61,13 +61,13 @@ fn lint_manual_unwrap_or<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) {
if let Some((idx, or_arm)) = arms.iter().enumerate().find(|(_, arm)| {
match arm.pat.kind {
PatKind::Path(ref qpath) => is_lang_ctor(cx, qpath, OptionNone),
PatKind::TupleStruct(ref qpath, &[pat], _) =>
PatKind::TupleStruct(ref qpath, [pat], _) =>
matches!(pat.kind, PatKind::Wild) && is_lang_ctor(cx, qpath, ResultErr),
_ => false,
}
});
let unwrap_arm = &arms[1 - idx];
if let PatKind::TupleStruct(ref qpath, &[unwrap_pat], _) = unwrap_arm.pat.kind;
if let PatKind::TupleStruct(ref qpath, [unwrap_pat], _) = unwrap_arm.pat.kind;
if is_lang_ctor(cx, qpath, OptionSome) || is_lang_ctor(cx, qpath, ResultOk);
if let PatKind::Binding(_, binding_hir_id, ..) = unwrap_pat.kind;
if path_to_local_id(unwrap_arm.body, binding_hir_id);

2
clippy_lints/src/matches.rs
View File

@@ -625,7 +625,7 @@ impl<'tcx> LateLintPass<'tcx> for Matches {
if let PatKind::TupleStruct(
QPath::Resolved(None, variant_name), args, _) = arms[0].pat.kind;
if args.len() == 1;
if let PatKind::Binding(_, arg, ..) = strip_pat_refs(args[0]).kind;
if let PatKind::Binding(_, arg, ..) = strip_pat_refs(&args[0]).kind;
let body = remove_blocks(arms[0].body);
if path_to_local_id(body, arg);

2
clippy_lints/src/option_if_let_else.rs
View File

@@ -132,7 +132,7 @@ fn detect_option_if_let_else<'tcx>(
if !is_else_clause(cx.tcx, expr);
if arms.len() == 2;
if !is_result_ok(cx, cond_expr); // Don't lint on Result::ok because a different lint does it already
if let PatKind::TupleStruct(struct_qpath, &[inner_pat], _) = &arms[0].pat.kind;
if let PatKind::TupleStruct(struct_qpath, [inner_pat], _) = &arms[0].pat.kind;
if is_lang_ctor(cx, struct_qpath, OptionSome);
if let PatKind::Binding(bind_annotation, _, id, _) = &inner_pat.kind;
if !contains_return_break_continue_macro(arms[0].body);

2
clippy_lints/src/pattern_type_mismatch.rs
View File

@@ -258,7 +258,7 @@ fn get_variant<'a>(adt_def: &'a AdtDef, qpath: &QPath<'_>) -> Option<&'a Variant
fn find_first_mismatch_in_tuple<'tcx, I>(
cx: &LateContext<'tcx>,
pats: &[&Pat<'_>],
pats: &[Pat<'_>],
ty_iter_src: I,
) -> Option<(Span, Mutability, Level)>
where