X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=clippy_lints%2Fsrc%2Fneedless_pass_by_value.rs;h=060037ed496910f714e114d130bf25b9f0af1f93;hb=93cc616a3eba891dc917243466c28647edfeff97;hp=d29d07da7b0ffdcc8aa85a28443b6d8f1623357f;hpb=41d1340505d37058349ba016c9dc8c3d52f49bf3;p=rust.git diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs index d29d07da7b0..060037ed496 100644 --- a/clippy_lints/src/needless_pass_by_value.rs +++ b/clippy_lints/src/needless_pass_by_value.rs @@ -8,12 +8,14 @@ use rustc_data_structures::fx::FxHashSet; use rustc_errors::{Applicability, Diagnostic}; use rustc_hir::intravisit::FnKind; -use rustc_hir::{BindingAnnotation, Body, FnDecl, GenericArg, HirId, Impl, ItemKind, Node, PatKind, QPath, TyKind}; +use rustc_hir::{ + BindingAnnotation, Body, FnDecl, GenericArg, HirId, Impl, ItemKind, Mutability, Node, PatKind, QPath, TyKind, +}; use rustc_hir::{HirIdMap, HirIdSet}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; -use rustc_middle::ty::{self, TypeFoldable}; +use rustc_middle::ty::{self, TypeVisitable}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::symbol::kw; use rustc_span::{sym, Span}; @@ -70,7 +72,7 @@ macro_rules! need { } impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { - #[allow(clippy::too_many_lines)] + #[expect(clippy::too_many_lines)] fn check_fn( &mut self, cx: &LateContext<'tcx>, @@ -85,7 +87,7 @@ fn check_fn( } match kind { - FnKind::ItemFn(.., header, _) => { + FnKind::ItemFn(.., header) => { let attrs = cx.tcx.hir().attrs(hir_id); if header.abi != Abi::Rust || requires_exact_signature(attrs) { return; @@ -171,7 +173,7 @@ fn check_fn( ( preds.iter().any(|t| cx.tcx.is_diagnostic_item(sym::Borrow, t.def_id())), !preds.is_empty() && { - let ty_empty_region = cx.tcx.mk_imm_ref(cx.tcx.lifetimes.re_root_empty, ty); + let ty_empty_region = cx.tcx.mk_imm_ref(cx.tcx.lifetimes.re_erased, ty); preds.iter().all(|t| { let ty_params = t.trait_ref.substs.iter().skip(1).collect::>(); implements_trait(cx, ty_empty_region, t.def_id(), &ty_params) @@ -188,13 +190,9 @@ fn check_fn( if !implements_borrow_trait; if !all_borrowable_trait; - if let PatKind::Binding(mode, canonical_id, ..) = arg.pat.kind; + if let PatKind::Binding(BindingAnnotation(_, Mutability::Not), canonical_id, ..) = arg.pat.kind; if !moved_vars.contains(&canonical_id); then { - if mode == BindingAnnotation::Mutable || mode == BindingAnnotation::RefMut { - continue; - } - // Dereference suggestion let sugg = |diag: &mut Diagnostic| { if let ty::Adt(def, ..) = ty.kind() { @@ -241,7 +239,7 @@ fn check_fn( |x| Cow::from(format!("change `{}` to", x)), ) .as_ref(), - suggestion.into(), + suggestion, Applicability::Unspecified, ); } @@ -258,7 +256,7 @@ fn check_fn( diag.span_suggestion( input.span, "consider changing the type to", - "&str".to_string(), + "&str", Applicability::Unspecified, ); @@ -271,7 +269,7 @@ fn check_fn( |x| Cow::from(format!("change `{}` to", x)) ) .as_ref(), - suggestion.into(), + suggestion, Applicability::Unspecified, ); } @@ -343,5 +341,5 @@ fn borrow(&mut self, _: &euv::PlaceWithHirId<'tcx>, _: HirId, _: ty::BorrowKind) fn mutate(&mut self, _: &euv::PlaceWithHirId<'tcx>, _: HirId) {} - fn fake_read(&mut self, _: rustc_typeck::expr_use_visitor::Place<'tcx>, _: FakeReadCause, _: HirId) {} + fn fake_read(&mut self, _: &rustc_typeck::expr_use_visitor::PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId) {} }