1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
error[E0277]: a value of type `i32` cannot be built from an iterator over elements of type `i32`
--> $DIR/type-check-defaults.rs:6:23
|
LL | struct WellFormed<Z = Foo<i32, i32>>(Z);
| ^^^^^^^^^^^^^ value of type `i32` cannot be built from `std::iter::Iterator<Item=i32>`
|
= help: the trait `FromIterator<i32>` is not implemented for `i32`
note: required by a bound in `Foo`
--> $DIR/type-check-defaults.rs:5:18
|
LL | struct Foo<T, U: FromIterator<T>>(T, U);
| ^^^^^^^^^^^^^^^ required by this bound in `Foo`
error[E0277]: a value of type `i32` cannot be built from an iterator over elements of type `i32`
--> $DIR/type-check-defaults.rs:8:38
|
LL | struct WellFormedNoBounds<Z:?Sized = Foo<i32, i32>>(Z);
| ^^^^^^^^^^^^^ value of type `i32` cannot be built from `std::iter::Iterator<Item=i32>`
|
= help: the trait `FromIterator<i32>` is not implemented for `i32`
note: required by a bound in `Foo`
--> $DIR/type-check-defaults.rs:5:18
|
LL | struct Foo<T, U: FromIterator<T>>(T, U);
| ^^^^^^^^^^^^^^^ required by this bound in `Foo`
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/type-check-defaults.rs:11:17
|
LL | struct Bounds<T:Copy=String>(T);
| ^^^^ the trait `Copy` is not implemented for `String`
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/type-check-defaults.rs:14:42
|
LL | struct WhereClause<T=String>(T) where T: Copy;
| ^^^^ the trait `Copy` is not implemented for `String`
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/type-check-defaults.rs:17:20
|
LL | trait TraitBound<T:Copy=String> {}
| ^^^^ the trait `Copy` is not implemented for `String`
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/type-check-defaults.rs:21:25
|
LL | trait Base<T = String>: Super<T> { }
| ^^^^^^^^ the trait `Copy` is not implemented for `T`
|
note: required by a bound in `Super`
--> $DIR/type-check-defaults.rs:20:16
|
LL | trait Super<T: Copy> { }
| ^^^^ required by this bound in `Super`
help: consider further restricting type parameter `T` with trait `Copy`
|
LL | trait Base<T = String>: Super<T> where T: std::marker::Copy { }
| ++++++++++++++++++++++++++
error[E0277]: cannot add `u8` to `i32`
--> $DIR/type-check-defaults.rs:24:66
|
LL | trait ProjectionPred<T:Iterator = IntoIter<i32>> where T::Item : Add<u8> {}
| ^^^^^^^ no implementation for `i32 + u8`
|
= help: the trait `Add<u8>` is not implemented for `i32`
= help: the following other types implement trait `Add<Rhs>`:
`&i32` implements `Add<i32>`
`&i32` implements `Add`
`i32` implements `Add<&i32>`
`i32` implements `Add`
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0277`.
|
