1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(static_in_const)]
14 // very simple test for a 'static static with default lifetime
15 static STATIC_STR: &str = "&'static str";
16 const CONST_STR: &str = "&'static str";
18 // this should be the same as without default:
19 static EXPLICIT_STATIC_STR: &'static str = "&'static str";
20 const EXPLICIT_CONST_STR: &'static str = "&'static str";
22 // a function that elides to an unbound lifetime for both in- and output
23 fn id_u8_slice(arg: &[u8]) -> &[u8] {
27 // one with a function, argument elided
28 static STATIC_SIMPLE_FN: &fn(&[u8]) -> &[u8] = &(id_u8_slice as fn(&[u8]) -> &[u8]);
29 const CONST_SIMPLE_FN: &fn(&[u8]) -> &[u8] = &(id_u8_slice as fn(&[u8]) -> &[u8]);
31 // this should be the same as without elision
32 static STATIC_NON_ELIDED_fN: &for<'a> fn(&'a [u8]) -> &'a [u8] =
33 &(id_u8_slice as for<'a> fn(&'a [u8]) -> &'a [u8]);
34 const CONST_NON_ELIDED_fN: &for<'a> fn(&'a [u8]) -> &'a [u8] =
35 &(id_u8_slice as for<'a> fn(&'a [u8]) -> &'a [u8]);
37 // another function that elides, each to a different unbound lifetime
38 fn multi_args(a: &u8, b: &u8, c: &u8) {}
40 static STATIC_MULTI_FN: &fn(&u8, &u8, &u8) = &(multi_args as fn(&u8, &u8, &u8));
41 const CONST_MULTI_FN: &fn(&u8, &u8, &u8) = &(multi_args as fn(&u8, &u8, &u8));
47 static STATIC_FOO: Foo = Foo { bools: &[true, false] };
48 const CONST_FOO: Foo = Foo { bools: &[true, false] };
50 type Bar<'a> = Foo<'a>;
52 static STATIC_BAR: Bar = Bar { bools: &[true, false] };
53 const CONST_BAR: Bar = Bar { bools: &[true, false] };
55 type Baz<'a> = fn(&'a [u8]) -> Option<u8>;
57 fn baz(e: &[u8]) -> Option<u8> {
61 static STATIC_BAZ: &Baz = &(baz as Baz);
62 const CONST_BAZ: &Baz = &(baz as Baz);
64 static BYTES: &[u8] = &[1, 2, 3];
67 // make sure that the lifetime is actually elided (and not defaulted)
72 STATIC_BAZ(BYTES); // neees static lifetime
75 // make sure this works with different lifetimes
80 CONST_MULTI_FN(a, b, c);