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| author | Felix S. Klock II <pnkfelix@pnkfx.org> | 2018-08-30 13:16:59 +0200 |
|---|---|---|
| committer | Felix S. Klock II <pnkfelix@pnkfx.org> | 2018-09-06 13:00:26 +0200 |
| commit | 7834c2284801766f9925576e8f4d05d7cb7b23dd (patch) | |
| tree | b0676510293a1ab5317291bd79f4136754dae764 /src/test/ui/run-pass/structs-enums/object-lifetime-default-from-ref-struct.rs | |
| parent | 20ca02569ae3e1dc29962e92739fbab632abf241 (diff) | |
| download | rust-7834c2284801766f9925576e8f4d05d7cb7b23dd.tar.gz rust-7834c2284801766f9925576e8f4d05d7cb7b23dd.zip | |
Migrated slew of run-pass tests to various subdirectories of `ui/run-pass/`.
Diffstat (limited to 'src/test/ui/run-pass/structs-enums/object-lifetime-default-from-ref-struct.rs')
| -rw-r--r-- | src/test/ui/run-pass/structs-enums/object-lifetime-default-from-ref-struct.rs | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/structs-enums/object-lifetime-default-from-ref-struct.rs b/src/test/ui/run-pass/structs-enums/object-lifetime-default-from-ref-struct.rs new file mode 100644 index 00000000000..6aaf8920971 --- /dev/null +++ b/src/test/ui/run-pass/structs-enums/object-lifetime-default-from-ref-struct.rs @@ -0,0 +1,67 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Test that the lifetime of the enclosing `&` is used for the object +// lifetime bound. + +// pretty-expanded FIXME #23616 + +#![allow(dead_code)] + +use std::fmt::Display; + +trait Test { + fn foo(&self) { } +} + +struct Ref<'a,T:'a+?Sized> { + r: &'a T +} + +struct Ref2<'a,'b,T:'a+'b+?Sized> { + a: &'a T, + b: &'b T +} + +struct SomeStruct<'a> { + t: Ref<'a,Test>, + u: Ref<'a,Test+'a>, +} + +fn a<'a>(t: Ref<'a,Test>, mut ss: SomeStruct<'a>) { + ss.t = t; +} + +fn b<'a>(t: Ref<'a,Test>, mut ss: SomeStruct<'a>) { + ss.u = t; +} + +fn c<'a>(t: Ref<'a,Test+'a>, mut ss: SomeStruct<'a>) { + ss.t = t; +} + +fn d<'a>(t: Ref<'a,Test+'a>, mut ss: SomeStruct<'a>) { + ss.u = t; +} + +fn e<'a>(_: Ref<'a, Display+'static>) {} +fn g<'a, 'b>(_: Ref2<'a, 'b, Display+'static>) {} + + +fn main() { + // Inside a function body, we can just infer all + // lifetimes, to allow Ref<'tmp, Display+'static> + // and Ref2<'tmp, 'tmp, Display+'static>. + let x = &0 as &(Display+'static); + let r: Ref<Display> = Ref { r: x }; + let r2: Ref2<Display> = Ref2 { a: x, b: x }; + e(r); + g(r2); +} |
