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+ // Copyright 2016 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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+
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+ // Test that empty type parameter list (<>) is synonymous with
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+ // no type parameters at all
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+
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+ struct S <>;
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+ trait T <> { }
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+ enum E <> { V }
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+ impl < > T <> for S < > { }
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+ impl T for E { }
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+ fn foo <>( ) { }
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+ fn bar ( ) { }
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+
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+ fn main ( ) {
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+ let _ = S ;
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+ let _ = S :: < > ;
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+ let _ = E :: V ;
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+ let _ = E :: < > :: V ;
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+ foo ( ) ;
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+ foo :: < > ( ) ;
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+
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+ // Test that we can supply <> to non generic things
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+ bar :: < > ( ) ;
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+ let _: i32 <>;
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+ }
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