37c569627c
Refactor constant evaluation to use a single error reporting function that reports a type-error-like message. Also, unify all error codes with the "constant evaluation error" message to just E0080, and similarly for a few other duplicate codes. The old situation was a total mess, and now that we have *something* we can further iterate on the UX.
35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
// Copyright 2015 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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// Evaluation of constants in refutable patterns goes through
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// different compiler control-flow paths.
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#![allow(unused_imports)]
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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;
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//~^ ERROR constant evaluation error
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//~| attempted to negate with overflow
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//~| ERROR constant evaluation error
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//~| attempted to negate with overflow
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//~| ERROR constant evaluation error
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//~| attempted to negate with overflow
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fn main() {
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match -128i8 {
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NEG_NEG_128 => println!("A"), //~ NOTE for pattern here
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_ => println!("B"),
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}
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}
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