mirror of https://github.com/rust-lang/rust
51 lines
1.0 KiB
Rust
51 lines
1.0 KiB
Rust
#![allow(unused_variables)]
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#![deny(dead_code)]
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enum Enum1 {
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Variant1(#[allow(dead_code)] isize),
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Variant2 //~ ERROR: variant `Variant2` is never constructed
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}
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enum Enum2 {
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Variant3(#[allow(dead_code)] bool),
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#[allow(dead_code)]
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Variant4(isize),
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Variant5 { _x: isize }, //~ ERROR: variants `Variant5` and `Variant6` are never constructed
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Variant6(isize),
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_Variant7,
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Variant8 { _field: bool },
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Variant9,
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Variant10(#[allow(dead_code)] usize)
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}
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impl Enum2 {
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fn new_variant8() -> Enum2 {
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Self::Variant8 { _field: true }
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}
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fn new_variant9() -> Enum2 {
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Self::Variant9
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}
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fn new_variant10() -> Enum2 {
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Self::Variant10(10)
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}
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}
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enum Enum3 { //~ ERROR: enum `Enum3` is never used
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Variant8,
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Variant9
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}
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fn main() {
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let v = Enum1::Variant1(1);
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match v {
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Enum1::Variant1(_) => (),
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Enum1::Variant2 => ()
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}
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let x = Enum2::Variant3(true);
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let _ = Enum2::new_variant8();
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let _ = Enum2::new_variant9();
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let _ = Enum2::new_variant10();
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}
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