From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/closures/binder/implicit-stuff.rs | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tests/ui/closures/binder/implicit-stuff.rs (limited to 'tests/ui/closures/binder/implicit-stuff.rs') diff --git a/tests/ui/closures/binder/implicit-stuff.rs b/tests/ui/closures/binder/implicit-stuff.rs new file mode 100644 index 000000000..09e4c747a --- /dev/null +++ b/tests/ui/closures/binder/implicit-stuff.rs @@ -0,0 +1,27 @@ +#![feature(closure_lifetime_binder)] + +fn main() { + // Implicit types + let _ = for<> || {}; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> || -> &'a _ { &() }; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> |x| -> &'a () { x }; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> |x: &'a _| -> &'a () { x }; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> |x: &'a Vec::<_>| -> &'a Vec::<()> { x }; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> |x: &'a Vec<()>| -> &'a Vec<_> { x }; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> |x: &'a _| -> &'a &'a () { x }; //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _ = for<'a> |x: &'a _, y, z: _| -> &'a _ { //~ ERROR implicit types in closure signatures are forbidden when `for<...>` is present + let _: &u8 = x; + let _: u32 = y; + let _: i32 = z; + x + }; + + // Lifetime elision + let _ = for<> |_: &()| -> () {}; //~ ERROR `&` without an explicit lifetime name cannot be used here + let _ = for<> |x: &()| -> &() { x }; //~ ERROR `&` without an explicit lifetime name cannot be used here + //~| ERROR `&` without an explicit lifetime name cannot be used here + let _ = for<> |x: &'_ ()| -> &'_ () { x }; //~ ERROR `'_` cannot be used here + //~| ERROR `'_` cannot be used here + let _ = for<'a> |x: &()| -> &'a () { x }; //~ ERROR `&` without an explicit lifetime name cannot be used here + let _ = for<'a> |x: &'a ()| -> &() { x }; //~ ERROR `&` without an explicit lifetime name cannot be used here +} -- cgit v1.2.3