File: issue-69446-fnmut-capture.stderr

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 752 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
error: captured variable cannot escape `FnMut` closure body
  --> $DIR/issue-69446-fnmut-capture.rs:19:17
   |
LL |       let mut x = Foo;
   |           ----- variable defined here
LL |       bar(move || async {
   |  _______________-_^
   | |               |
   | |               inferred to be a `FnMut` closure
LL | |         x.foo();
   | |         - variable captured here
LL | |     });
   | |_____^ returns an `async` block 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 1 previous error