rust/tests/ui/feature-gates/feature-gate-unboxed-closures-ufcs-calls.rs
dianne d7d6238b23 use backticks instead of single quotes when reporting "use of unstable library feature"
This is consistent with all other diagnostics I could find containing
features and enables the use of `DiagSymbolList` for generalizing
diagnostics for unstable library features to multiple features.
2024-11-03 13:55:52 -08:00

10 lines
313 B
Rust

#![allow(dead_code)]
fn foo<F: Fn()>(mut f: F) {
Fn::call(&f, ()); //~ ERROR use of unstable library feature `fn_traits`
FnMut::call_mut(&mut f, ()); //~ ERROR use of unstable library feature `fn_traits`
FnOnce::call_once(f, ()); //~ ERROR use of unstable library feature `fn_traits`
}
fn main() {}