rust/tests/ui/rfcs/rfc-2632-const-trait-impl/std-impl-gate.rs
2024-02-16 20:02:50 +00:00

22 lines
478 B
Rust

// This tests feature gates for const impls in the standard library.
//@ revisions: stock gated
//@[gated] known-bug: #110395
#![cfg_attr(gated, feature(const_trait_impl, const_default_impls))]
fn non_const_context() -> Vec<usize> {
Default::default()
}
const fn const_context() -> Vec<usize> {
Default::default()
//[stock]~^ ERROR cannot call non-const fn
}
fn main() {
const VAL: Vec<usize> = const_context();
assert_eq!(VAL, non_const_context());
}