diff options
Diffstat (limited to 'tests/ui/async-await/issue-69446-fnmut-capture.stderr')
| -rw-r--r-- | tests/ui/async-await/issue-69446-fnmut-capture.stderr | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/async-await/issue-69446-fnmut-capture.stderr b/tests/ui/async-await/issue-69446-fnmut-capture.stderr new file mode 100644 index 000000000..3d2b0402b --- /dev/null +++ b/tests/ui/async-await/issue-69446-fnmut-capture.stderr @@ -0,0 +1,19 @@ +error: captured variable cannot escape `FnMut` closure body + --> $DIR/issue-69446-fnmut-capture.rs:19:17 + | +LL | let mut x = Foo; + | ----- variable defined here +LL | bar(move || async { + | _______________-_^ + | | | + | | inferred to be a `FnMut` closure +LL | | x.foo(); + | | - variable captured here +LL | | }); + | |_____^ returns an `async` block that contains a reference to a captured variable, which then escapes the closure body + | + = note: `FnMut` closures only have access to their captured variables while they are executing... + = note: ...therefore, they cannot allow references to captured variables to escape + +error: aborting due to previous error + |