rust/src/test/ui/consts/const-eval/const-eval-overflow-4b.rs
2018-12-25 21:08:33 -07:00

30 lines
668 B
Rust

// Evaluation of constants in array-elem count goes through different
// compiler control-flow paths.
//
// This test is checking the count in an array type.
#![allow(unused_imports)]
use std::{i8, i16, i32, i64, isize};
use std::{u8, u16, u32, u64, usize};
const A_I8_T
: [u32; (i8::MAX as i8 + 1u8) as usize]
//~^ ERROR mismatched types
//~| expected i8, found u8
//~| ERROR cannot add `u8` to `i8`
= [0; (i8::MAX as usize) + 1];
const A_CHAR_USIZE
: [u32; 5u8 as char as usize]
= [0; 5];
const A_BAD_CHAR_USIZE
: [u32; 5i8 as char as usize]
//~^ ERROR only `u8` can be cast as `char`, not `i8`
= [0; 5];
fn main() {}