diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-40510-1.stderr | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-40510-1.stderr b/src/test/ui/issues/issue-40510-1.stderr new file mode 100644 index 000000000..e88f31ea1 --- /dev/null +++ b/src/test/ui/issues/issue-40510-1.stderr @@ -0,0 +1,19 @@ +error: captured variable cannot escape `FnMut` closure body + --> $DIR/issue-40510-1.rs:7:9 + | +LL | let mut x: Box<()> = Box::new(()); + | ----- variable defined here +LL | +LL | || { + | - inferred to be a `FnMut` closure +LL | &mut x + | ^^^^^- + | | | + | | variable captured here + | returns a reference to a captured variable which 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 + |