rust/tests/ui/feature-gates/feature-gate-unboxed-closures-method-calls.rs

#![allow(dead_code)]

fn foo<F: Fn()>(mut f: F) {
    f.call(()); //~ ERROR use of unstable library feature 'fn_traits'
    f.call_mut(()); //~ ERROR use of unstable library feature 'fn_traits'
    f.call_once(()); //~ ERROR use of unstable library feature 'fn_traits'
}

fn main() {}
Feature-gate explicit unboxed closure method calls & manual impls, detect UFCS drop and allow UFCS methods to have explicit type parameters. Work towards #18875. Since code could previously call the methods & implement the traits manually, this is a [breaking-change] Closes #19586. Closes #19375. 2014-12-05 23:53:30 +00:00			`#![allow(dead_code)]`

Feature-gate `<>` syntax used with `Fn`. Fixes #18875. 2015-01-10 13:38:51 +00:00			`fn foo<F: Fn()>(mut f: F) {`
Don't gate methods `Fn(Mut,Once)::call(mut,once)` with feature `unboxed_closures` They are already gated with feature `fn_traits` 2016-07-13 14:07:11 +00:00			`f.call(()); //~ ERROR use of unstable library feature 'fn_traits'`
			`f.call_mut(()); //~ ERROR use of unstable library feature 'fn_traits'`
			`f.call_once(()); //~ ERROR use of unstable library feature 'fn_traits'`
Feature-gate explicit unboxed closure method calls & manual impls, detect UFCS drop and allow UFCS methods to have explicit type parameters. Work towards #18875. Since code could previously call the methods & implement the traits manually, this is a [breaking-change] Closes #19586. Closes #19375. 2014-12-05 23:53:30 +00:00			`}`

			`fn main() {}`