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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs b/src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs new file mode 100644 index 000000000..174ad245d --- /dev/null +++ b/src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs @@ -0,0 +1,14 @@ +// Test that a by-ref `FnMut` closure gets an error when it tries to +// mutate a value. + +fn call<F>(f: F) where F : Fn() { + f(); +} + +fn main() { + let mut counter = 0; + call(|| { + counter += 1; + //~^ ERROR cannot assign to `counter` + }); +} |