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[rust.git] / src / test / ui / type-alias-impl-trait / generic_underconstrained2.stderr
1 error: at least one trait must be specified
2   --> $DIR/generic_underconstrained2.rs:5:45
3    |
4 LL | type Underconstrained<T: std::fmt::Debug> = impl 'static;
5    |                                             ^^^^^^^^^^^^
6
7 error: at least one trait must be specified
8   --> $DIR/generic_underconstrained2.rs:14:46
9    |
10 LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
11    |                                              ^^^^^^^^^^^^
12
13 error[E0277]: `U` doesn't implement `Debug`
14   --> $DIR/generic_underconstrained2.rs:9:33
15    |
16 LL | type Underconstrained<T: std::fmt::Debug> = impl 'static;
17    |                          --------------- required by this bound in `Underconstrained`
18 ...
19 LL | fn underconstrained<U>(_: U) -> Underconstrained<U> {
20    |                                 ^^^^^^^^^^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug`
21    |
22 help: consider restricting type parameter `U`
23    |
24 LL | fn underconstrained<U: std::fmt::Debug>(_: U) -> Underconstrained<U> {
25    |                      +++++++++++++++++
26
27 error[E0277]: `V` doesn't implement `Debug`
28   --> $DIR/generic_underconstrained2.rs:18:43
29    |
30 LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
31    |                           --------------- required by this bound in `Underconstrained2`
32 ...
33 LL | fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> {
34    |                                           ^^^^^^^^^^^^^^^^^^^^ `V` cannot be formatted using `{:?}` because it doesn't implement `Debug`
35    |
36 help: consider restricting type parameter `V`
37    |
38 LL | fn underconstrained2<U, V: std::fmt::Debug>(_: U, _: V) -> Underconstrained2<V> {
39    |                          +++++++++++++++++
40
41 error: aborting due to 4 previous errors
42
43 For more information about this error, try `rustc --explain E0277`.