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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/nll/closure-captures.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/closure-captures.rs')
-rw-r--r-- | tests/ui/nll/closure-captures.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/ui/nll/closure-captures.rs b/tests/ui/nll/closure-captures.rs new file mode 100644 index 000000000..16d90b971 --- /dev/null +++ b/tests/ui/nll/closure-captures.rs @@ -0,0 +1,55 @@ +// Some cases with closures that might be problems + +// Should have one error per assignment + +fn one_closure(x: i32) { + || + x = 1; //~ ERROR + move || + x = 1; //~ ERROR +} + +fn two_closures(x: i32) { + || { + || + x = 1; //~ ERROR + }; + move || { + || + x = 1; //~ ERROR + }; +} + +fn fn_ref<F: Fn()>(f: F) -> F { f } + +fn two_closures_ref_mut(mut x: i32) { + fn_ref(|| { + || //~ ERROR + x = 1;} + ); + fn_ref(move || { + || //~ ERROR + x = 1;}); +} + +// This still gives two messages, but it requires two things to be fixed. +fn two_closures_ref(x: i32) { + fn_ref(|| { + || //~ ERROR + x = 1;} //~ ERROR + ); + fn_ref(move || { + || //~ ERROR + x = 1;}); //~ ERROR +} + +fn two_closures_two_refs(x: &mut i32) { + fn_ref(|| { + || //~ ERROR + *x = 1;}); + fn_ref(move || { + || //~ ERROR + *x = 1;}); +} + +fn main() {} |