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leonardo.yvens 2018-01-20 13:33:44 -02:00
parent 7c1b6848db
commit 35499aa9fc
3 changed files with 52 additions and 10 deletions
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4
src/test/ui/type-check-defaults.rs
View file

@ -44,4 +44,8 @@ struct Bogus<T = i32, U = i32>(TwoParams<T, U>) where TwoParams<T, U>: Trait;
//~^ error: the trait bound `TwoParams<i32, U>: Trait` is not satisfied [E0277]
//~^^ error: the trait bound `TwoParams<T, i32>: Trait` is not satisfied [E0277]
trait Super<T: Copy> { }
trait Base<T = String>: Super<T> { }
//~^ error: the trait bound `T: std::marker::Copy` is not satisfied [E0277]
fn main() { }

39
src/test/ui/type-check-defaults.stderr
View file

@ -5,7 +5,11 @@ error[E0277]: the trait bound `i32: std::iter::FromIterator<i32>` is not satisfi
| ^ a collection of type `i32` cannot be built from an iterator over elements of type `i32`
|
= help: the trait `std::iter::FromIterator<i32>` is not implemented for `i32`
= note: required by `Foo`
note: required by `Foo`
--> $DIR/type-check-defaults.rs:15:1
|
15 | struct Foo<T, U: FromIterator<T>>(T, U);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `i32: std::iter::FromIterator<i32>` is not satisfied
--> $DIR/type-check-defaults.rs:18:27
@ -14,7 +18,11 @@ error[E0277]: the trait bound `i32: std::iter::FromIterator<i32>` is not satisfi
| ^ a collection of type `i32` cannot be built from an iterator over elements of type `i32`
|
= help: the trait `std::iter::FromIterator<i32>` is not implemented for `i32`
= note: required by `Foo`
note: required by `Foo`
--> $DIR/type-check-defaults.rs:15:1
|
15 | struct Foo<T, U: FromIterator<T>>(T, U);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `A: std::iter::Iterator` is not satisfied
--> $DIR/type-check-defaults.rs:21:1
@ -74,7 +82,11 @@ error[E0277]: the trait bound `TwoParams<i32, U>: Trait` is not satisfied
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `TwoParams<i32, U>`
|
= help: consider adding a `where TwoParams<i32, U>: Trait` bound
= note: required by `Trait`
note: required by `Trait`
--> $DIR/type-check-defaults.rs:39:1
|
39 | trait Trait {}
| ^^^^^^^^^^^
error[E0277]: the trait bound `TwoParams<T, i32>: Trait` is not satisfied
--> $DIR/type-check-defaults.rs:43:1
@ -83,7 +95,24 @@ error[E0277]: the trait bound `TwoParams<T, i32>: Trait` is not satisfied
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `TwoParams<T, i32>`
|
= help: consider adding a `where TwoParams<T, i32>: Trait` bound
= note: required by `Trait`
note: required by `Trait`
--> $DIR/type-check-defaults.rs:39:1
|
39 | trait Trait {}
| ^^^^^^^^^^^
error: aborting due to 10 previous errors
error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
--> $DIR/type-check-defaults.rs:48:1
|
48 | trait Base<T = String>: Super<T> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `T`
|
= help: consider adding a `where T: std::marker::Copy` bound
note: required by `Super`
--> $DIR/type-check-defaults.rs:47:1
|
47 | trait Super<T: Copy> { }
| ^^^^^^^^^^^^^^^^^^^^
error: aborting due to 11 previous errors