-// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
+// run-rustfix
#![feature(exhaustive_patterns, never_type)]
+#![allow(dead_code, unreachable_code, unused_variables)]
#![allow(clippy::let_and_return)]
enum SingleVariantEnum {
enum EmptyEnum {}
+macro_rules! match_enum {
+ ($param:expr) => {
+ let data = match $param {
+ SingleVariantEnum::Variant(i) => i,
+ };
+ };
+}
+
fn infallible_destructuring_match_enum() {
let wrapper = SingleVariantEnum::Variant(0);
SingleVariantEnum::Variant(i) => i,
};
+ // This shouldn't (inside macro)
+ match_enum!(wrapper);
+
// This shouldn't!
let data = match wrapper {
SingleVariantEnum::Variant(_) => -1,
let SingleVariantEnum::Variant(data) = wrapper;
}
+macro_rules! match_struct {
+ ($param:expr) => {
+ let data = match $param {
+ TupleStruct(i) => i,
+ };
+ };
+}
+
fn infallible_destructuring_match_struct() {
let wrapper = TupleStruct(0);
TupleStruct(i) => i,
};
+ // This shouldn't (inside macro)
+ match_struct!(wrapper);
+
// This shouldn't!
let data = match wrapper {
TupleStruct(_) => -1,
let TupleStruct(data) = wrapper;
}
+macro_rules! match_never_enum {
+ ($param:expr) => {
+ let data = match $param {
+ Ok(i) => i,
+ };
+ };
+}
+
fn never_enum() {
let wrapper: Result<i32, !> = Ok(23);
Ok(i) => i,
};
+ // This shouldn't (inside macro)
+ match_never_enum!(wrapper);
+
// This shouldn't!
let data = match wrapper {
Ok(_) => -1,