41 lines
901 B
Rust
41 lines
901 B
Rust
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//@ revisions: pass fail
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//@[pass] check-pass
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#![allow(internal_features)]
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#![feature(staged_api)]
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#![allow(dead_code)]
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#![stable(feature = "a", since = "1.1.1" )]
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/// When a free function with #[unstable_feature_bound(feat_bar)] is called by another
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/// free function, that function should be annotated with
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/// #[unstable_feature_bound(feat_bar)] too.
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#[stable(feature = "a", since = "1.1.1")]
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trait Foo {
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#[stable(feature = "a", since = "1.1.1")]
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fn foo() {
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}
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}
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#[stable(feature = "a", since = "1.1.1")]
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pub struct Bar;
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#[unstable_feature_bound(feat_bar)]
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#[unstable(feature = "feat_bar", issue = "none" )]
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impl Foo for Bar {
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fn foo() {}
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}
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#[unstable_feature_bound(feat_bar)]
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fn bar() {
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Bar::foo();
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}
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#[cfg_attr(pass, unstable_feature_bound(feat_bar))]
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fn bar2() {
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bar();
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//[fail]~^ERROR unstable feature `feat_bar` is used without being enabled.
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}
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fn main() {}
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