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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/unboxed-closures/unboxed-closures-infer-fnmut-calling-fnmut.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/unboxed-closures/unboxed-closures-infer-fnmut-calling-fnmut.rs')
-rw-r--r-- | tests/ui/unboxed-closures/unboxed-closures-infer-fnmut-calling-fnmut.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/unboxed-closures/unboxed-closures-infer-fnmut-calling-fnmut.rs b/tests/ui/unboxed-closures/unboxed-closures-infer-fnmut-calling-fnmut.rs new file mode 100644 index 000000000..73f488a4f --- /dev/null +++ b/tests/ui/unboxed-closures/unboxed-closures-infer-fnmut-calling-fnmut.rs @@ -0,0 +1,19 @@ +// run-pass +// Test that we are able to infer a suitable kind for this closure +// that is just called (`FnMut`). + +fn main() { + let mut counter = 0; + + { + // Here this must be inferred to FnMut so that it can mutate counter: + let mut tick1 = || counter += 1; + + // In turn, tick2 must be inferred to FnMut so that it can call tick1: + let mut tick2 = || { tick1(); tick1(); }; + + tick2(); + } + + assert_eq!(counter, 2); +} |