mirror of https://github.com/rust-lang/rust
32 lines
840 B
Rust
32 lines
840 B
Rust
//@ revisions: normal exh_pats
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//@[normal] check-pass
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#![feature(never_patterns)]
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#![allow(incomplete_features)]
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#![cfg_attr(exh_pats, feature(min_exhaustive_patterns))]
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#![allow(dead_code, unreachable_code)]
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#![deny(unreachable_patterns)]
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#[derive(Copy, Clone)]
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enum Void {}
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fn main() {
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let res_void: Result<bool, Void> = Ok(true);
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match res_void {
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Ok(_x) => {}
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Err(!),
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//[exh_pats]~^ ERROR unreachable
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}
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let (Ok(_x) | Err(!)) = res_void;
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//[exh_pats]~^ ERROR unreachable
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if let Err(!) = res_void {}
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//[exh_pats]~^ ERROR unreachable
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if let (Ok(true) | Err(!)) = res_void {}
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//[exh_pats]~^ ERROR unreachable
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for (Ok(mut _x) | Err(!)) in [res_void] {}
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//[exh_pats]~^ ERROR unreachable
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}
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fn foo((Ok(_x) | Err(!)): Result<bool, Void>) {}
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//[exh_pats]~^ ERROR unreachable
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