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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/issues/issue-40510-3.stderr
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/tests/ui/issues/issue-40510-3.stderr b/tests/ui/issues/issue-40510-3.stderr
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+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
+