69 lines
1.6 KiB
Rust
69 lines
1.6 KiB
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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#![feature(associated_consts)]
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#![deny(dead_code)]
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// use different types / traits to test all combinations
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trait Const {
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const C: ();
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}
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trait StaticFn {
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fn sfn();
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}
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struct ConstStruct;
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struct StaticFnStruct;
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enum ConstEnum {}
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enum StaticFnEnum {}
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struct AliasedConstStruct;
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struct AliasedStaticFnStruct;
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enum AliasedConstEnum {}
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enum AliasedStaticFnEnum {}
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type AliasConstStruct = AliasedConstStruct;
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type AliasStaticFnStruct = AliasedStaticFnStruct;
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type AliasConstEnum = AliasedConstEnum;
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type AliasStaticFnEnum = AliasedStaticFnEnum;
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macro_rules! impl_Const {($($T:ident),*) => {$(
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impl Const for $T {
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const C: () = ();
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}
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)*}}
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macro_rules! impl_StaticFn {($($T:ident),*) => {$(
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impl StaticFn for $T {
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fn sfn() {}
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}
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)*}}
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impl_Const!(ConstStruct, ConstEnum, AliasedConstStruct, AliasedConstEnum);
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impl_StaticFn!(StaticFnStruct, StaticFnEnum, AliasedStaticFnStruct, AliasedStaticFnEnum);
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fn main() {
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let _ = ConstStruct::C;
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let _ = ConstEnum::C;
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StaticFnStruct::sfn();
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StaticFnEnum::sfn();
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let _ = AliasConstStruct::C;
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let _ = AliasConstEnum::C;
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AliasStaticFnStruct::sfn();
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AliasStaticFnEnum::sfn();
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}
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