mirror of https://github.com/rust-lang/rust
86 lines
1.6 KiB
Rust
86 lines
1.6 KiB
Rust
// FIXME: should be run-rustfix, but rustfix doesn't currently support multipart suggestions, see
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// #53934
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#![deny(unused)]
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pub enum MyEnum {
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A { i: i32, j: i32 },
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B { i: i32, j: i32 },
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}
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pub enum MixedEnum {
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A { i: i32 },
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B(i32),
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}
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pub fn no_ref(x: MyEnum) {
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use MyEnum::*;
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match x {
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A { i, j } | B { i, j } => { //~ ERROR unused variable
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println!("{}", i);
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}
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}
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}
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pub fn with_ref(x: MyEnum) {
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use MyEnum::*;
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match x {
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A { i, ref j } | B { i, ref j } => { //~ ERROR unused variable
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println!("{}", i);
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}
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}
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}
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pub fn inner_no_ref(x: Option<MyEnum>) {
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use MyEnum::*;
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match x {
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Some(A { i, j } | B { i, j }) => { //~ ERROR unused variable
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println!("{}", i);
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}
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_ => {}
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}
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}
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pub fn inner_with_ref(x: Option<MyEnum>) {
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use MyEnum::*;
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match x {
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Some(A { i, ref j } | B { i, ref j }) => { //~ ERROR unused variable
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println!("{}", i);
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}
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_ => {}
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}
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}
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pub fn mixed_no_ref(x: MixedEnum) {
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match x {
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MixedEnum::A { i } | MixedEnum::B(i) => { //~ ERROR unused variable
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println!("match");
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}
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}
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}
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pub fn mixed_with_ref(x: MixedEnum) {
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match x {
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MixedEnum::A { ref i } | MixedEnum::B(ref i) => { //~ ERROR unused variable
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println!("match");
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}
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}
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}
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pub fn main() {
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no_ref(MyEnum::A { i: 1, j: 2 });
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with_ref(MyEnum::A { i: 1, j: 2 });
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inner_no_ref(Some(MyEnum::A { i: 1, j: 2 }));
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inner_with_ref(Some(MyEnum::A { i: 1, j: 2 }));
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mixed_no_ref(MixedEnum::B(5));
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mixed_with_ref(MixedEnum::B(5));
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}
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