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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/borrowck/do-not-suggest-adding-move-when-closure-is-already-marked-as-move.stderr | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/do-not-suggest-adding-move-when-closure-is-already-marked-as-move.stderr b/src/test/ui/borrowck/do-not-suggest-adding-move-when-closure-is-already-marked-as-move.stderr new file mode 100644 index 000000000..78ca090fe --- /dev/null +++ b/src/test/ui/borrowck/do-not-suggest-adding-move-when-closure-is-already-marked-as-move.stderr @@ -0,0 +1,18 @@ +error: captured variable cannot escape `FnMut` closure body + --> $DIR/do-not-suggest-adding-move-when-closure-is-already-marked-as-move.rs:6:9 + | +LL | let mut vec: Vec<i32> = Vec::new(); + | ------- variable defined here +LL | let closure = move || { + | - inferred to be a `FnMut` closure +LL | vec.clear(); + | --- variable captured here +LL | let mut iter = vec.iter(); +LL | move || { iter.next() } + | ^^^^^^^^^^^^^^^^^^^^^^^ 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 + +error: aborting due to previous error + |