mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 07:44:10 +00:00
89a3c19832
``` error[E0599]: no method named `map` found for struct `Vec<bool>` in the current scope --> $DIR/vec-on-unimplemented.rs:3:23 | LL | vec![true, false].map(|v| !v).collect::<Vec<_>>(); | ^^^ `Vec<bool>` is not an iterator | help: call `.into_iter()` first | LL | vec![true, false].into_iter().map(|v| !v).collect::<Vec<_>>(); | ++++++++++++ ``` We used to provide some help through `rustc_on_unimplemented` on non-`impl Trait` and non-type-params, but this lets us get rid of some otherwise unnecessary conditions in the annotation on `Iterator`.
15 lines
549 B
Plaintext
15 lines
549 B
Plaintext
error[E0599]: no method named `map` found for struct `Vec<bool>` in the current scope
|
|
--> $DIR/vec-on-unimplemented.rs:3:31
|
|
|
|
|
LL | let _ = vec![true, false].map(|v| !v).collect::<Vec<_>>();
|
|
| ^^^ `Vec<bool>` is not an iterator
|
|
|
|
|
help: call `.into_iter()` first
|
|
|
|
|
LL | let _ = vec![true, false].into_iter().map(|v| !v).collect::<Vec<_>>();
|
|
| ++++++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0599`.
|