diff options
Diffstat (limited to 'src/test/ui/associated-consts/associated-const-use-impl-of-same-trait.rs')
-rw-r--r-- | src/test/ui/associated-consts/associated-const-use-impl-of-same-trait.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/associated-consts/associated-const-use-impl-of-same-trait.rs b/src/test/ui/associated-consts/associated-const-use-impl-of-same-trait.rs new file mode 100644 index 000000000..8f01bae4f --- /dev/null +++ b/src/test/ui/associated-consts/associated-const-use-impl-of-same-trait.rs @@ -0,0 +1,25 @@ +// run-pass + +// The main purpose of this test is to ensure that different impls of the same +// trait can refer to each other without setting off the static recursion check +// (as long as there's no actual recursion). + +trait Foo { + const BAR: u32; +} + +struct IsFoo1; + +impl Foo for IsFoo1 { + const BAR: u32 = 1; +} + +struct IsFoo2; + +impl Foo for IsFoo2 { + const BAR: u32 = <IsFoo1 as Foo>::BAR; +} + +fn main() { + assert_eq!(<IsFoo1>::BAR, <IsFoo2 as Foo>::BAR); +} |