24 lines
784 B
Rust
24 lines
784 B
Rust
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// Copyright 2015 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::fmt::Debug;
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// Example from the RFC
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fn foo<F:Default=usize>() -> F { F::default() }
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fn bar<B:Debug=isize>(b: B) { println!("{:?}", b); }
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fn main() {
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// Here, F is instantiated with $0=uint
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let x = foo();
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// Here, B is instantiated with $1=uint, and constraint $0 <: $1 is added.
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bar(x);
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}
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