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Test that trait definition owns the default, not the impl.
I don't know if it's what we want but it's how it works now. If we want to keep it then we should forbid writing the default in the impl.
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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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#![feature(default_type_parameter_fallback)]
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trait Bar {
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// Current we consider only the default in the trait,
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// never the one in the impl.
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// Is this good? Is it bad? Is it just the way it works?
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// If this is ok then we should forbid writing the default in the impl.
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fn method<A:Default=String>(&self) -> A;
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}
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struct Foo;
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impl Bar for Foo {
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fn method<A:Default>(&self) -> A {
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A::default()
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}
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}
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fn main() {
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Foo.method();
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}

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