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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs')
-rw-r--r-- | tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs new file mode 100644 index 000000000..eecf2046c --- /dev/null +++ b/tests/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() {} |