25 lines
593 B
Rust
25 lines
593 B
Rust
// Tests that:
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// - default impls do not have to supply all items and
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// - a default impl does not count as an impl (in this case, an incomplete default impl).
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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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}
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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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"generic"
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}
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}
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fn main() {
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println!("{}", MyStruct.foo_one());
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//~^ ERROR no method named `foo_one` found for struct `MyStruct` in the current scope
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}
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