mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-02 10:18:25 +00:00
38 lines
1.2 KiB
Plaintext
38 lines
1.2 KiB
Plaintext
error: defaults for generic parameters are not allowed here
|
|
--> $DIR/parameter-defaults.rs:10:12
|
|
|
|
|
LL | const NONE<T = ()>: Option<T> = None::<T>;
|
|
| ^^^^^^
|
|
|
|
error: defaults for generic parameters are not allowed here
|
|
--> $DIR/parameter-defaults.rs:14:16
|
|
|
|
|
LL | const NADA<T = ()>: Option<T> = None::<T>;
|
|
| ^^^^^^
|
|
|
|
error[E0282]: type annotations needed for `Option<_>`
|
|
--> $DIR/parameter-defaults.rs:20:18
|
|
|
|
|
LL | fn body0() { let _ = NONE; }
|
|
| ^ ---- type must be known at this point
|
|
|
|
|
help: consider giving this pattern a type, where the type for type parameter `T` is specified
|
|
|
|
|
LL | fn body0() { let _: Option<T> = NONE; }
|
|
| +++++++++++
|
|
|
|
error[E0282]: type annotations needed for `Option<_>`
|
|
--> $DIR/parameter-defaults.rs:21:18
|
|
|
|
|
LL | fn body1() { let _ = Host::NADA; }
|
|
| ^ ---------- type must be known at this point
|
|
|
|
|
help: consider giving this pattern a type, where the type for type parameter `T` is specified
|
|
|
|
|
LL | fn body1() { let _: Option<T> = Host::NADA; }
|
|
| +++++++++++
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0282`.
|