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error[E0505]: cannot move out of `a` because it is borrowed
--> $DIR/borrow-for-loop-head.rs:4:18
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LL | let a = vec![1, 2, 3];
| - binding `a` declared here
LL | for i in &a {
| -- borrow of `a` occurs here
LL | for j in a {
| ^ move out of `a` occurs here
error[E0382]: use of moved value: `a`
--> $DIR/borrow-for-loop-head.rs:4:18
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LL | let a = vec![1, 2, 3];
| - move occurs because `a` has type `Vec<i32>`, which does not implement the `Copy` trait
LL | for i in &a {
| ----------- inside of this loop
LL | for j in a {
| ^ `a` moved due to this implicit call to `.into_iter()`, in previous iteration of loop
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note: `into_iter` takes ownership of the receiver `self`, which moves `a`
--> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
help: consider iterating over a slice of the `Vec<i32>`'s content to avoid moving into the `for` loop
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LL | for j in &a {
| +
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0382, E0505.
For more information about an error, try `rustc --explain E0382`.
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