mirror of https://github.com/rust-lang/rust
31 lines
599 B
Rust
31 lines
599 B
Rust
//@ run-pass
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#![allow(dead_code)]
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#![allow(non_camel_case_types)]
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#![allow(non_snake_case)]
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trait connection {
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fn read(&self) -> isize;
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}
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trait connection_factory<C:connection> {
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fn create(&self) -> C;
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}
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type my_connection = ();
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type my_connection_factory = ();
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impl connection for () {
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fn read(&self) -> isize { 43 }
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}
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impl connection_factory<my_connection> for my_connection_factory {
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fn create(&self) -> my_connection { () }
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}
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pub fn main() {
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let factory = ();
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let connection: () = factory.create();
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let result = connection.read();
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assert_eq!(result, 43);
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}
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