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Diffstat (limited to 'tests/ui/issues/issue-40510-3.stderr')
-rw-r--r-- | tests/ui/issues/issue-40510-3.stderr | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-40510-3.stderr b/tests/ui/issues/issue-40510-3.stderr new file mode 100644 index 000000000..eb077415e --- /dev/null +++ b/tests/ui/issues/issue-40510-3.stderr @@ -0,0 +1,23 @@ +error: captured variable cannot escape `FnMut` closure body + --> $DIR/issue-40510-3.rs:7:9 + | +LL | let mut x: Vec<()> = Vec::new(); + | ----- variable defined here +LL | +LL | || { + | - inferred to be a `FnMut` closure +LL | / || { +LL | | x.push(()) + | | - variable captured here +LL | | } + | |_________^ returns a closure 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 +help: consider adding 'move' keyword before the nested closure + | +LL | move || { + | ++++ + +error: aborting due to previous error + |