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Diffstat (limited to 'src/test/ui/nll/issue-53040.stderr')
-rw-r--r-- | src/test/ui/nll/issue-53040.stderr | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/nll/issue-53040.stderr b/src/test/ui/nll/issue-53040.stderr new file mode 100644 index 000000000..87ffe9b1a --- /dev/null +++ b/src/test/ui/nll/issue-53040.stderr @@ -0,0 +1,17 @@ +error: captured variable cannot escape `FnMut` closure body + --> $DIR/issue-53040.rs:3:8 + | +LL | let mut v: Vec<()> = Vec::new(); + | ----- variable defined here +LL | || &mut v; + | - ^^^^^- + | | | | + | | | variable captured here + | | returns a reference to a captured variable which escapes the closure body + | inferred to be a `FnMut` closure + | + = 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 + |