/// ```rust
/// vec!(1, 2, 3, 4, 5).resize(0, 5)
/// ```
+ #[clippy::version = "1.46.0"]
pub VEC_RESIZE_TO_ZERO,
correctness,
"emptying a vector with `resize(0, an_int)` instead of `clear()` is probably an argument inversion mistake"
impl<'tcx> LateLintPass<'tcx> for VecResizeToZero {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
if_chain! {
- if let hir::ExprKind::MethodCall(path_segment, _, args, _) = expr.kind;
+ if let hir::ExprKind::MethodCall(path_segment, args, _) = expr.kind;
if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id);
if match_def_path(cx, method_def_id, &paths::VEC_RESIZE) && args.len() == 3;
if let ExprKind::Lit(Spanned { node: LitKind::Int(0, _), .. }) = args[1].kind;