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912783402f
Extend support for `implies_by` (from `#[stable]` and `#[unstable]`) to `#[rustc_const_stable]` and `#[rustc_const_unstable]`. Signed-off-by: David Wood <david.wood@huawei.com>
17 lines
602 B
Rust
17 lines
602 B
Rust
#![crate_type = "lib"]
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#![feature(staged_api)]
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#![stable(feature = "stability_attribute_implies", since = "1.0.0")]
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#![rustc_const_stable(feature = "stability_attribute_implies", since = "1.0.0")]
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// Tests that `implied_by = "const_bar"` results in an error being emitted if `const_bar` does not
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// exist.
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#[stable(feature = "stability_attribute_implies", since = "1.0.0")]
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#[rustc_const_unstable(feature = "const_foobar", issue = "1", implied_by = "const_bar")]
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//~^ ERROR feature `const_bar` implying `const_foobar` does not exist
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pub const fn foobar() -> u32 {
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0
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}
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const VAR: u32 = foobar();
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