From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../regions/regions-early-bound-used-in-bound.rs | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 src/test/ui/regions/regions-early-bound-used-in-bound.rs (limited to 'src/test/ui/regions/regions-early-bound-used-in-bound.rs') diff --git a/src/test/ui/regions/regions-early-bound-used-in-bound.rs b/src/test/ui/regions/regions-early-bound-used-in-bound.rs new file mode 100644 index 000000000..6ccc99e84 --- /dev/null +++ b/src/test/ui/regions/regions-early-bound-used-in-bound.rs @@ -0,0 +1,28 @@ +// run-pass +// Tests that you can use a fn lifetime parameter as part of +// the value for a type parameter in a bound. + + +trait GetRef<'a, T> { + fn get(&self) -> &'a T; +} + +#[derive(Copy, Clone)] +struct Box<'a, T:'a> { + t: &'a T +} + +impl<'a,T:Clone> GetRef<'a,T> for Box<'a,T> { + fn get(&self) -> &'a T { + self.t + } +} + +fn add<'a,G:GetRef<'a, isize>>(g1: G, g2: G) -> isize { + *g1.get() + *g2.get() +} + +pub fn main() { + let b1 = Box { t: &3 }; + assert_eq!(add(b1, b1), 6); +} -- cgit v1.2.3