28 lines
763 B
Rust
28 lines
763 B
Rust
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// Copyright 2013 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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use std::hashmap::HashMap;
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trait Graph<Node, Edge> {
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fn f(&self, Edge);
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}
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impl<E> Graph<int, E> for HashMap<int, int> {
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fn f(&self, _e: E) {
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fail!();
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}
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}
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fn main() {
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let g : ~HashMap<int, int> = ~HashMap::new();
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let _g2 : ~Graph<int,int> = g as ~Graph<int,int>;
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}
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