1 #![allow(dead_code)] // tons of unused statics here...
3 // very simple test for a 'static static with default lifetime
4 static STATIC_STR: &str = "&'static str";
5 const CONST_STR: &str = "&'static str";
7 // this should be the same as without default:
8 static EXPLICIT_STATIC_STR: &'static str = "&'static str";
9 const EXPLICIT_CONST_STR: &'static str = "&'static str";
11 // a function that elides to an unbound lifetime for both in- and output
12 fn id_u8_slice(arg: &[u8]) -> &[u8] {
16 // one with a function, argument elided
17 static STATIC_SIMPLE_FN: &fn(&[u8]) -> &[u8] = &(id_u8_slice as fn(&[u8]) -> &[u8]);
18 const CONST_SIMPLE_FN: &fn(&[u8]) -> &[u8] = &(id_u8_slice as fn(&[u8]) -> &[u8]);
20 // this should be the same as without elision
21 static STATIC_NON_ELIDED_FN: &for<'a> fn(&'a [u8]) -> &'a [u8] =
22 &(id_u8_slice as for<'a> fn(&'a [u8]) -> &'a [u8]);
23 const CONST_NON_ELIDED_FN: &for<'a> fn(&'a [u8]) -> &'a [u8] =
24 &(id_u8_slice as for<'a> fn(&'a [u8]) -> &'a [u8]);
26 // another function that elides, each to a different unbound lifetime
27 fn multi_args(_a: &u8, _b: &u8, _c: &u8) {}
29 static STATIC_MULTI_FN: &fn(&u8, &u8, &u8) = &(multi_args as fn(&u8, &u8, &u8));
30 const CONST_MULTI_FN: &fn(&u8, &u8, &u8) = &(multi_args as fn(&u8, &u8, &u8));
36 static STATIC_FOO: Foo = Foo { bools: &[true, false] };
37 const CONST_FOO: Foo = Foo { bools: &[true, false] };
39 type Bar<'a> = Foo<'a>;
41 static STATIC_BAR: Bar = Bar { bools: &[true, false] };
42 const CONST_BAR: Bar = Bar { bools: &[true, false] };
44 type Baz<'a> = fn(&'a [u8]) -> Option<u8>;
46 fn baz(e: &[u8]) -> Option<u8> {
50 static STATIC_BAZ: &Baz = &(baz as Baz);
51 const CONST_BAZ: &Baz = &(baz as Baz);
53 static BYTES: &[u8] = &[1, 2, 3];
56 // make sure that the lifetime is actually elided (and not defaulted)
61 STATIC_BAZ(BYTES); // neees static lifetime
64 // make sure this works with different lifetimes
69 CONST_MULTI_FN(a, b, c);