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ExprUseVisitor::Delegate consume only when moving

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This commit is contained in:
Aman Arora
2021-07-14 02:21:08 -04:00
parent 075a28996c
commit a9e9b7f9b2
4 changed files with 9 additions and 14 deletions
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4
clippy_utils/src/usage.rs
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@@ -10,7 +10,7 @@ use rustc_lint::LateContext;
use rustc_middle::hir::map::Map;
use rustc_middle::mir::FakeReadCause;
use rustc_middle::ty;
use rustc_typeck::expr_use_visitor::{ConsumeMode, Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId};
use rustc_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId};
/// Returns a set of mutated local variable IDs, or `None` if mutations could not be determined.
pub fn mutated_variables<'tcx>(expr: &'tcx Expr<'_>, cx: &LateContext<'tcx>) -> Option<HirIdSet> {
@@ -67,7 +67,7 @@ impl<'tcx> MutVarsDelegate {
}
impl<'tcx> Delegate<'tcx> for MutVarsDelegate {
fn consume(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId, _: ConsumeMode) {}
fn consume(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) {}
fn borrow(&mut self, cmt: &PlaceWithHirId<'tcx>, _: HirId, bk: ty::BorrowKind) {
if let ty::BorrowKind::MutBorrow = bk {