rust/tests/ui/consts/const-eval/erroneous-const.rs
许杰友 Jieyou Xu (Joe) edafbaffb2
Adjust UI tests for unit_bindings
- Either explicitly annotate `let x: () = expr;` where `x` has unit
  type, or remove the unit binding to leave only `expr;` instead.
- Fix disjoint-capture-in-same-closure test
2023-06-12 20:24:48 +08:00

22 lines
546 B
Rust

//! Make sure we error on erroneous consts even if they are unused.
#![allow(unconditional_panic)]
struct PrintName<T>(T);
impl<T> PrintName<T> {
const VOID: () = [()][2]; //~ERROR evaluation of `PrintName::<i32>::VOID` failed
}
const fn no_codegen<T>() {
if false {
// This bad constant is only used in dead code in a no-codegen function... and yet we still
// must make sure that the build fails.
PrintName::<T>::VOID; //~ constant
}
}
pub static FOO: () = no_codegen::<i32>();
fn main() {
FOO
}