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 --- .../feature-gate-unboxed-closures-manual-impls.rs | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/test/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs (limited to 'src/test/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs') diff --git a/src/test/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs b/src/test/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs new file mode 100644 index 000000000..eecf2046c --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs @@ -0,0 +1,37 @@ +// Test that manual impls of the `Fn` traits are not possible without +// a feature gate. In fact, the specialized check for these cases +// never triggers (yet), because they encounter other problems around +// angle bracket vs parentheses notation. + +#![feature(fn_traits)] + +struct Foo; +impl Fn<()> for Foo { +//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change +//~| ERROR manual implementations of `Fn` are experimental + extern "rust-call" fn call(self, args: ()) -> () {} + //~^ ERROR rust-call ABI is subject to change +} +struct Foo1; +impl FnOnce() for Foo1 { +//~^ ERROR associated type bindings are not allowed here +//~| ERROR manual implementations of `FnOnce` are experimental + extern "rust-call" fn call_once(self, args: ()) -> () {} + //~^ ERROR rust-call ABI is subject to change +} +struct Bar; +impl FnMut<()> for Bar { +//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change +//~| ERROR manual implementations of `FnMut` are experimental + extern "rust-call" fn call_mut(&self, args: ()) -> () {} + //~^ ERROR rust-call ABI is subject to change +} +struct Baz; +impl FnOnce<()> for Baz { +//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change +//~| ERROR manual implementations of `FnOnce` are experimental + extern "rust-call" fn call_once(&self, args: ()) -> () {} + //~^ ERROR rust-call ABI is subject to change +} + +fn main() {} -- cgit v1.2.3