8d3e89b484
Convert byte literal pattern to byte array patterns when they are both used together. so matching them is properly handled. I could've done the conversion eagerly, but that could have caused a bad worst-case for massive byte-array matches. Fixes #18027. Fixes #25051. Fixes #26510.
55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(slice_patterns)]
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fn main() {
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let buf = &[0u8; 4];
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match buf {
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&[0, 1, 0, 0] => unimplemented!(),
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b"true" => unimplemented!(),
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_ => {}
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}
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match buf {
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b"true" => unimplemented!(),
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&[0, 1, 0, 0] => unimplemented!(),
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_ => {}
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}
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match buf {
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b"true" => unimplemented!(),
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&[0, x, 0, 0] => assert_eq!(x, 0),
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_ => unimplemented!(),
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}
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let buf: &[u8] = buf;
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match buf {
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&[0, 1, 0, 0] => unimplemented!(),
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&[_] => unimplemented!(),
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&[_, _, _, _, _, ..] => unimplemented!(),
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b"true" => unimplemented!(),
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_ => {}
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}
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match buf {
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b"true" => unimplemented!(),
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&[0, 1, 0, 0] => unimplemented!(),
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_ => {}
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}
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match buf {
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b"true" => unimplemented!(),
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&[0, x, 0, 0] => assert_eq!(x, 0),
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_ => unimplemented!(),
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}
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}
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