rust/tests/ui/higher-ranked/trait-bounds/issue-30786.stderr

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error[E0599]: the method `filterx` exists for struct `Map<Repeat, {closure@issue-30786.rs:119:27}>`, but its trait bounds were not satisfied
--> $DIR/issue-30786.rs:120:22
|
LL | pub struct Map<S, F> {
| --------------------
| |
| method `filterx` not found for this struct
| doesn't satisfy `_: StreamExt`
...
LL | let filter = map.filterx(|x: &_| true);
| ^^^^^^^ method cannot be called on `Map<Repeat, {closure@issue-30786.rs:119:27}>` due to unsatisfied trait bounds
|
note: the following trait bounds were not satisfied:
`&'a mut &Map<Repeat, {closure@$DIR/issue-30786.rs:119:27: 119:34}>: Stream`
`&'a mut &mut Map<Repeat, {closure@$DIR/issue-30786.rs:119:27: 119:34}>: Stream`
`&'a mut Map<Repeat, {closure@$DIR/issue-30786.rs:119:27: 119:34}>: Stream`
--> $DIR/issue-30786.rs:98:50
|
LL | impl<T> StreamExt for T where for<'a> &'a mut T: Stream {}
| --------- - ^^^^^^ unsatisfied trait bound introduced here
error[E0599]: the method `countx` exists for struct `Filter<Map<Repeat, fn(&u64) -> &u64 {identity::<u64>}>, {closure@issue-30786.rs:131:30}>`, but its trait bounds were not satisfied
--> $DIR/issue-30786.rs:132:24
|
LL | pub struct Filter<S, F> {
| -----------------------
| |
| method `countx` not found for this struct
| doesn't satisfy `_: StreamExt`
...
LL | let count = filter.countx();
| ^^^^^^ method cannot be called due to unsatisfied trait bounds
|
note: the following trait bounds were not satisfied:
`&'a mut &Filter<Map<Repeat, for<'a> fn(&'a u64) -> &'a u64 {identity::<u64>}>, {closure@$DIR/issue-30786.rs:131:30: 131:37}>: Stream`
`&'a mut &mut Filter<Map<Repeat, for<'a> fn(&'a u64) -> &'a u64 {identity::<u64>}>, {closure@$DIR/issue-30786.rs:131:30: 131:37}>: Stream`
`&'a mut Filter<Map<Repeat, for<'a> fn(&'a u64) -> &'a u64 {identity::<u64>}>, {closure@$DIR/issue-30786.rs:131:30: 131:37}>: Stream`
--> $DIR/issue-30786.rs:98:50
|
LL | impl<T> StreamExt for T where for<'a> &'a mut T: Stream {}
| --------- - ^^^^^^ unsatisfied trait bound introduced here
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0599`.