mirror of https://github.com/rust-lang/rust
32 lines
612 B
Rust
32 lines
612 B
Rust
// Test cases where we put various lifetime constraints on trait
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// associated constants.
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#![feature(rustc_attrs)]
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use std::option::Option;
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trait Anything<'a: 'b, 'b> {
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const AC: Option<&'b str>;
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}
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struct OKStruct1 { }
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impl<'a: 'b, 'b> Anything<'a, 'b> for OKStruct1 {
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const AC: Option<&'b str> = None;
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}
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struct FailStruct { }
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impl<'a: 'b, 'b, 'c> Anything<'a, 'b> for FailStruct {
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const AC: Option<&'c str> = None;
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//~^ ERROR: const not compatible with trait
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}
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struct OKStruct2 { }
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impl<'a: 'b, 'b> Anything<'a, 'b> for OKStruct2 {
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const AC: Option<&'a str> = None;
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}
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fn main() {}
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