mirror of https://github.com/rust-lang/rust
35 lines
720 B
Rust
35 lines
720 B
Rust
//@ run-pass
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// Tests that we can combine a default impl that supplies one method with a
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// full impl that supplies the other, and they can invoke one another.
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#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
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trait Foo {
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fn foo_one(&self) -> &'static str;
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fn foo_two(&self) -> &'static str;
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fn foo_three(&self) -> &'static str;
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}
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struct MyStruct;
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default impl<T> Foo for T {
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fn foo_one(&self) -> &'static str {
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self.foo_three()
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}
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}
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impl Foo for MyStruct {
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fn foo_two(&self) -> &'static str {
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self.foo_one()
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}
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fn foo_three(&self) -> &'static str {
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"generic"
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}
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}
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fn main() {
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assert!(MyStruct.foo_two() == "generic");
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}
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