From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/shadowed/shadowed-lifetime.rs | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tests/ui/shadowed/shadowed-lifetime.rs (limited to 'tests/ui/shadowed/shadowed-lifetime.rs') diff --git a/tests/ui/shadowed/shadowed-lifetime.rs b/tests/ui/shadowed/shadowed-lifetime.rs new file mode 100644 index 000000000..9487b4f4e --- /dev/null +++ b/tests/ui/shadowed/shadowed-lifetime.rs @@ -0,0 +1,24 @@ +// Test that shadowed lifetimes generate an error. + +struct Foo<'a>(&'a isize); + +impl<'a> Foo<'a> { + fn shadow_in_method<'a>(&'a self) -> &'a isize { + //~^ ERROR lifetime name `'a` shadows a lifetime name that is already in scope + self.0 + } + + fn shadow_in_type<'b>(&'b self) -> &'b isize { + let x: for<'b> fn(&'b isize) = panic!(); + //~^ ERROR lifetime name `'b` shadows a lifetime name that is already in scope + self.0 + } + + fn not_shadow_in_item<'b>(&'b self) { + struct Bar<'a, 'b>(&'a isize, &'b isize); // not a shadow, separate item + fn foo<'a, 'b>(x: &'a isize, y: &'b isize) { } // same + } +} + +fn main() { +} -- cgit v1.2.3