File: rfc-reject-double-move-in-first-arm.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 893,176 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; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (27 lines) | stat: -rw-r--r-- 1,327 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
error[E0507]: cannot move out of `v` in pattern guard
  --> $DIR/rfc-reject-double-move-in-first-arm.rs:8:30
   |
LL |         A { a: v } if { drop(v); true } => v,
   |                              ^ move occurs because `v` has type `Box<i32>`, which does not implement the `Copy` trait
   |
   = note: variables bound in patterns cannot be moved from until after the end of the pattern guard
help: consider cloning the value if the performance cost is acceptable
   |
LL |         A { a: v } if { drop(v.clone()); true } => v,
   |                               ++++++++

error[E0507]: cannot move out of `v` in pattern guard
  --> $DIR/rfc-reject-double-move-in-first-arm.rs:17:45
   |
LL |         A { a: v } if let Some(()) = { drop(v); Some(()) } => v,
   |                                             ^ move occurs because `v` has type `Box<i32>`, which does not implement the `Copy` trait
   |
   = note: variables bound in patterns cannot be moved from until after the end of the pattern guard
help: consider cloning the value if the performance cost is acceptable
   |
LL |         A { a: v } if let Some(()) = { drop(v.clone()); Some(()) } => v,
   |                                              ++++++++

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0507`.