38 lines
1002 B
Rust
38 lines
1002 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// pretty-expanded FIXME #23616
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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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