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error: equality constraints are not yet supported in `where` clauses
--> $DIR/equality-bound.rs:1:51
|
LL | fn sum<I: Iterator<Item = ()>>(i: I) -> i32 where I::Item = i32 {
| ^^^^^^^^^^^^^ not supported
|
= note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information
help: if `Iterator::Item` is an associated type you're trying to set, use the associated type binding syntax
|
LL - fn sum<I: Iterator<Item = ()>>(i: I) -> i32 where I::Item = i32 {
LL + fn sum<I: Iterator<Item = (), Item = i32>>(i: I) -> i32 where {
|
error: equality constraints are not yet supported in `where` clauses
--> $DIR/equality-bound.rs:5:41
|
LL | fn sum2<I: Iterator>(i: I) -> i32 where I::Item = i32 {
| ^^^^^^^^^^^^^ not supported
|
= note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information
help: if `Iterator::Item` is an associated type you're trying to set, use the associated type binding syntax
|
LL - fn sum2<I: Iterator>(i: I) -> i32 where I::Item = i32 {
LL + fn sum2<I: Iterator<Item = i32>>(i: I) -> i32 where {
|
error: equality constraints are not yet supported in `where` clauses
--> $DIR/equality-bound.rs:9:41
|
LL | fn sum3<J: Iterator>(i: J) -> i32 where I::Item = i32 {
| ^^^^^^^^^^^^^ not supported
|
= note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information
error[E0433]: failed to resolve: use of undeclared type `I`
--> $DIR/equality-bound.rs:9:41
|
LL | fn sum3<J: Iterator>(i: J) -> i32 where I::Item = i32 {
| ^ use of undeclared type `I`
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0433`.
|
