ec7c800d2f
This commit removes pretty-expanded from all tests that wind up calling panic! one way or another now that its internals are unstable.
44 lines
1.0 KiB
Rust
44 lines
1.0 KiB
Rust
// Copyright 2014 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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// Test that we can use method notation to call methods based on a
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// where clause type, and not only type parameters.
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trait Foo {
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fn foo(&self) -> i32;
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}
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impl Foo for Option<i32>
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{
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fn foo(&self) -> i32 {
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self.unwrap_or(22)
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}
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}
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impl Foo for Option<u32>
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{
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fn foo(&self) -> i32 {
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self.unwrap_or(22) as i32
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}
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}
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fn check<T>(x: Option<T>) -> (i32, i32)
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where Option<T> : Foo
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{
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let y: Option<T> = None;
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(x.foo(), y.foo())
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}
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fn main() {
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assert_eq!(check(Some(23u32)), (23, 22));
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assert_eq!(check(Some(23)), (23, 22));
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}
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