From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../unboxed-closures-mutated-upvar-from-fn-closure.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs (limited to 'src/test/ui/unboxed-closures/unboxed-closures-mutated-upvar-from-fn-closure.rs') 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) where F : Fn() { + f(); +} + +fn main() { + let mut counter = 0; + call(|| { + counter += 1; + //~^ ERROR cannot assign to `counter` + }); +} -- cgit v1.2.3