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 --- src/test/ui/variance/variance-trait-bounds.rs | 35 +++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui/variance/variance-trait-bounds.rs (limited to 'src/test/ui/variance/variance-trait-bounds.rs') diff --git a/src/test/ui/variance/variance-trait-bounds.rs b/src/test/ui/variance/variance-trait-bounds.rs new file mode 100644 index 000000000..ad5334602 --- /dev/null +++ b/src/test/ui/variance/variance-trait-bounds.rs @@ -0,0 +1,35 @@ +#![allow(dead_code)] +#![feature(rustc_attrs)] + +// Check that bounds on type parameters (other than `Self`) do not +// influence variance. + +trait Getter { + fn get(&self) -> T; +} + +trait Setter { + fn get(&self, _: T); +} + +#[rustc_variance] +struct TestStruct> { //~ ERROR [+, +] + t: T, u: U +} + +#[rustc_variance] +enum TestEnum> { //~ ERROR [*, +] + Foo(T) +} + +#[rustc_variance] +struct TestContraStruct> { //~ ERROR [*, +] + t: T +} + +#[rustc_variance] +struct TestBox+Setter> { //~ ERROR [*, +] + t: T +} + +pub fn main() { } -- cgit v1.2.3