57 lines
1.6 KiB
Rust
57 lines
1.6 KiB
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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// aux-build:specialization_cross_crate.rs
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extern crate specialization_cross_crate;
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use specialization_cross_crate::*;
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struct NotClone;
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#[derive(Clone)]
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struct MarkedAndClone;
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impl MyMarker for MarkedAndClone {}
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struct MyType<T>(T);
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impl<T> Foo for MyType<T> {
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default fn foo(&self) -> &'static str {
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"generic MyType"
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}
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}
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impl Foo for MyType<u8> {
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fn foo(&self) -> &'static str {
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"MyType<u8>"
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}
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}
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struct MyOtherType;
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impl Foo for MyOtherType {}
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fn main() {
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assert!(NotClone.foo() == "generic");
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assert!(0u8.foo() == "generic Clone");
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assert!(vec![NotClone].foo() == "generic");
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assert!(vec![0u8].foo() == "generic Vec");
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assert!(vec![0i32].foo() == "Vec<i32>");
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assert!(0i32.foo() == "i32");
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assert!(String::new().foo() == "String");
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assert!(((), 0).foo() == "generic pair");
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assert!(((), ()).foo() == "generic uniform pair");
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assert!((0u8, 0u32).foo() == "(u8, u32)");
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assert!((0u8, 0u8).foo() == "(u8, u8)");
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assert!(MarkedAndClone.foo() == "generic Clone + MyMarker");
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assert!(MyType(()).foo() == "generic MyType");
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assert!(MyType(0u8).foo() == "MyType<u8>");
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assert!(MyOtherType.foo() == "generic");
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}
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