mirror of https://github.com/rust-lang/rust
20 lines
471 B
Rust
20 lines
471 B
Rust
// Evaluation of constants in refutable patterns goes through
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// different compiler control-flow paths.
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#![allow(unused_imports, warnings)]
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use std::fmt;
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use std::{i8, i16, i32, i64, isize};
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use std::{u8, u16, u32, u64, usize};
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const NEG_128: i8 = -128;
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const NEG_NEG_128: i8 = -NEG_128; //~ ERROR constant
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fn main() {
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match -128i8 {
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NEG_NEG_128 => println!("A"),
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//~^ ERROR could not evaluate constant pattern
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_ => println!("B"),
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}
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}
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