File: borrowck-ref-mut-of-imm.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie, trixie-backports, trixie-proposed-updates
  • 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 (14 lines) | stat: -rw-r--r-- 452 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
error[E0596]: cannot borrow `x.0` as mutable, as `x` is not declared as mutable
  --> $DIR/borrowck-ref-mut-of-imm.rs:4:12
   |
LL |       Some(ref mut v) => *v
   |            ^^^^^^^^^ cannot borrow as mutable
   |
help: consider changing this to be mutable
   |
LL | fn destructure(mut x: Option<isize>) -> isize {
   |                +++

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0596`.