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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
error[E0499]: cannot borrow `chars` as mutable more than once at a time
--> $DIR/issue-102972.rs:6:9
|
LL | for _c in chars.by_ref() {
| --------------
| |
| first mutable borrow occurs here
| first borrow later used here
LL | chars.next();
| ^^^^^ second mutable borrow occurs here
|
= note: a for loop advances the iterator for you, the result is stored in `_c`
help: if you want to call `next` on a iterator within the loop, consider using `while let`
|
LL ~ let iter = chars.by_ref();
LL ~ while let Some(_c) = iter.next() {
LL ~ iter.next();
|
error[E0382]: borrow of moved value: `iter`
--> $DIR/issue-102972.rs:14:9
|
LL | let mut iter = v.iter();
| -------- move occurs because `iter` has type `std::slice::Iter<'_, i32>`, which does not implement the `Copy` trait
LL | for _i in iter {
| ---- `iter` moved due to this implicit call to `.into_iter()`
LL | iter.next();
| ^^^^ value borrowed here after move
|
= note: a for loop advances the iterator for you, the result is stored in `_i`
note: `into_iter` takes ownership of the receiver `self`, which moves `iter`
--> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
help: if you want to call `next` on a iterator within the loop, consider using `while let`
|
LL | while let Some(_i) = iter.next() {
| ~~~~~~~~~~~~~~~ ~~~ +++++++
error[E0499]: cannot borrow `i` as mutable more than once at a time
--> $DIR/issue-102972.rs:22:9
|
LL | for () in i.by_ref() {
| ----------
| |
| first mutable borrow occurs here
| first borrow later used here
LL | i.next();
| ^ second mutable borrow occurs here
|
= note: a for loop advances the iterator for you, the result is stored in its pattern
help: if you want to call `next` on a iterator within the loop, consider using `while let`
|
LL ~ let iter = i.by_ref();
LL ~ while let Some(()) = iter.next() {
LL ~ iter.next();
|
error[E0382]: borrow of moved value: `iter`
--> $DIR/issue-102972.rs:30:9
|
LL | let mut iter = v.iter();
| -------- move occurs because `iter` has type `std::slice::Iter<'_, ()>`, which does not implement the `Copy` trait
LL | for () in iter {
| ---- `iter` moved due to this implicit call to `.into_iter()`
LL | iter.next();
| ^^^^ value borrowed here after move
|
= note: a for loop advances the iterator for you, the result is stored in its pattern
note: `into_iter` takes ownership of the receiver `self`, which moves `iter`
--> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
help: if you want to call `next` on a iterator within the loop, consider using `while let`
|
LL | while let Some(()) = iter.next() {
| ~~~~~~~~~~~~~~~ ~~~ +++++++
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0382, E0499.
For more information about an error, try `rustc --explain E0382`.
|