33 lines
966 B
Rust
33 lines
966 B
Rust
// 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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// Ensure that a user-defined type admits multiple inherent methods
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// with the same name, which can be called on values that have a
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// precise enough type to allow distinguishing between the methods.
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struct Foo<T>(T);
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impl Foo<usize> {
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fn bar(&self) -> i32 { self.0 as i32 }
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}
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impl Foo<isize> {
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fn bar(&self) -> i32 { -(self.0 as i32) }
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}
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fn main() {
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let foo_u = Foo::<usize>(5);
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assert_eq!(foo_u.bar(), 5);
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let foo_i = Foo::<isize>(3);
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assert_eq!(foo_i.bar(), -3);
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}
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