File: does-not-live-long-enough.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (21 lines) | stat: -rw-r--r-- 1,071 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
error[E0373]: closure may outlive the current function, but it borrows `prefix`, which is owned by the current function
  --> $DIR/does-not-live-long-enough.rs:6:33
   |
LL |         self.data.iter().filter(|s| s.starts_with(prefix)).map(|s| s.as_ref())
   |                                 ^^^               ------ `prefix` is borrowed here
   |                                 |
   |                                 may outlive borrowed value `prefix`
   |
note: closure is returned here
  --> $DIR/does-not-live-long-enough.rs:6:9
   |
LL |         self.data.iter().filter(|s| s.starts_with(prefix)).map(|s| s.as_ref())
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: to force the closure to take ownership of `prefix` (and any other referenced variables), use the `move` keyword
   |
LL |         self.data.iter().filter(move |s| s.starts_with(prefix)).map(|s| s.as_ref())
   |                                 ++++

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0373`.