66 lines
2.7 KiB
Rust
66 lines
2.7 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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// Issue 8142: Test that Drop impls cannot be specialized beyond the
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// predicates attached to the struct/enum definition itself.
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trait Bound { fn foo(&self) { } }
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struct K<'l1,'l2> { x: &'l1 i8, y: &'l2 u8 }
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struct L<'l1,'l2> { x: &'l1 i8, y: &'l2 u8 }
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struct M<'m> { x: &'m i8 }
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struct N<'n> { x: &'n i8 }
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struct O<To> { x: *const To }
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struct P<Tp> { x: *const Tp }
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struct Q<Tq> { x: *const Tq }
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struct R<Tr> { x: *const Tr }
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struct S<Ts:Bound> { x: *const Ts }
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struct T<'t,Ts:'t> { x: &'t Ts }
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struct U;
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struct V<Tva, Tvb> { x: *const Tva, y: *const Tvb }
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struct W<'l1, 'l2> { x: &'l1 i8, y: &'l2 u8 }
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impl<'al,'adds_bnd:'al> Drop for K<'al,'adds_bnd> { // REJECT
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//~^ ERROR The requirement `'adds_bnd : 'al` is added only by the Drop impl.
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fn drop(&mut self) { } }
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impl<'al,'adds_bnd> Drop for L<'al,'adds_bnd> where 'adds_bnd:'al { // REJECT
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//~^ ERROR The requirement `'adds_bnd : 'al` is added only by the Drop impl.
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fn drop(&mut self) { } }
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impl<'ml> Drop for M<'ml> { fn drop(&mut self) { } } // ACCEPT
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impl Drop for N<'static> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR Implementations of Drop cannot be specialized
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impl<Cok_nobound> Drop for O<Cok_nobound> { fn drop(&mut self) { } } // ACCEPT
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impl Drop for P<i8> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR Implementations of Drop cannot be specialized
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impl<Adds_bnd:Bound> Drop for Q<Adds_bnd> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR The requirement `Adds_bnd : Bound` is added only by the Drop impl.
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impl<'rbnd,Adds_rbnd:'rbnd> Drop for R<Adds_rbnd> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR The requirement `Adds_rbnd : 'rbnd` is added only by the Drop impl.
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impl<Bs:Bound> Drop for S<Bs> { fn drop(&mut self) { } } // ACCEPT
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impl<'t,Bt:'t> Drop for T<'t,Bt> { fn drop(&mut self) { } } // ACCEPT
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impl Drop for U { fn drop(&mut self) { } } // ACCEPT
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impl<One> Drop for V<One,One> { fn drop(&mut self) { } } // REJECT
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//~^ERROR Implementations of Drop cannot be specialized
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impl<'lw> Drop for W<'lw,'lw> { fn drop(&mut self) { } } // REJECT
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//~^ERROR Implementations of Drop cannot be specialized
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pub fn main() { }
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