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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/borrowck/borrow-immutable-upvar-mutation.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/borrowck/borrow-immutable-upvar-mutation.rs')
-rw-r--r-- | src/test/ui/borrowck/borrow-immutable-upvar-mutation.rs | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/test/ui/borrowck/borrow-immutable-upvar-mutation.rs b/src/test/ui/borrowck/borrow-immutable-upvar-mutation.rs deleted file mode 100644 index a3350024e..000000000 --- a/src/test/ui/borrowck/borrow-immutable-upvar-mutation.rs +++ /dev/null @@ -1,56 +0,0 @@ -#![feature(unboxed_closures, tuple_trait)] - -// Tests that we can't assign to or mutably borrow upvars from `Fn` -// closures (issue #17780) - -fn set(x: &mut usize) { - *x = 5; -} - -fn to_fn<A: std::marker::Tuple, F: Fn<A>>(f: F) -> F { - f -} -fn to_fn_mut<A: std::marker::Tuple, F: FnMut<A>>(f: F) -> F { - f -} - -fn main() { - // By-ref captures - { - let mut x = 0; - let _f = to_fn(|| x = 42); //~ ERROR cannot assign - - let mut y = 0; - let _g = to_fn(|| set(&mut y)); //~ ERROR cannot borrow - - let mut z = 0; - let _h = to_fn_mut(|| { - set(&mut z); - to_fn(|| z = 42); //~ ERROR cannot assign - }); - } - - // By-value captures - { - let mut x = 0; - let _f = to_fn(move || x = 42); //~ ERROR cannot assign - - let mut y = 0; - let _g = to_fn(move || set(&mut y)); //~ ERROR cannot borrow - - let mut z = 0; - let _h = to_fn_mut(move || { - set(&mut z); - to_fn(move || z = 42); - //~^ ERROR cannot assign - }); - } -} - -fn foo() -> Box<dyn Fn() -> usize> { - let mut x = 0; - Box::new(move || { - x += 1; //~ ERROR cannot assign - x - }) -} |