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https://github.com/rust-lang/rust
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18 lines
346 B
Rust
18 lines
346 B
Rust
#![feature(specialization)]
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#![allow(incomplete_features)]
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struct MyStruct {}
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trait MyTrait {
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type MyType: Default;
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}
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impl MyTrait for i32 {
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default type MyType = MyStruct;
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//~^ ERROR: the trait bound `MyStruct: Default` is not satisfied
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}
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fn main() {
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let _x: <i32 as MyTrait>::MyType = <i32 as MyTrait>::MyType::default();
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}
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