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Simplify cast_ptr_alignment pointer::casr case

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This commit is contained in:
rail 2021-01-12 10:06:41 +13:00
parent ee9b47dae6
commit 53f87310cd
1 changed files with 10 additions and 12 deletions
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22
clippy_lints/src/types.rs
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@ -1691,20 +1691,18 @@ fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
lint_cast_ptr_alignment(cx, expr, cast_from, cast_to);
} else if let ExprKind::MethodCall(method_path, _, args, _) = expr.kind {
if method_path.ident.name != sym!(cast) {
return;
}
if_chain! {
if let Some(generic_args) = method_path.args;
if let [GenericArg::Type(cast_to)] = generic_args.args;
// There probably is no obvious reason to do this, just to be consistent with `as` cases.
if is_hir_ty_cfg_dependant(cx, cast_to);
then {
return;
}
if method_path.ident.name == sym!(cast);
if let Some(generic_args) = method_path.args;
if let [GenericArg::Type(cast_to)] = generic_args.args;
// There probably is no obvious reason to do this, just to be consistent with `as` cases.
if !is_hir_ty_cfg_dependant(cx, cast_to);
then {
let (cast_from, cast_to) =
(cx.typeck_results().expr_ty(&args[0]), cx.typeck_results().expr_ty(expr));
lint_cast_ptr_alignment(cx, expr, cast_from, cast_to);
}
}
let (cast_from, cast_to) = (cx.typeck_results().expr_ty(&args[0]), cx.typeck_results().expr_ty(expr));
lint_cast_ptr_alignment(cx, expr, cast_from, cast_to);
}
}
}