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error[E0107]: this enum takes 2 generic arguments but 1 generic argument was supplied
--> $DIR/issue-65159.rs:5:20
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LL | async fn copy() -> Result<()>
| ^^^^^^ -- supplied 1 generic argument
| |
| expected 2 generic arguments
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note: enum defined here, with 2 generic parameters: `T`, `E`
--> $SRC_DIR/core/src/result.rs:LL:COL
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LL | pub enum Result<T, E> {
| ^^^^^^ - -
help: add missing generic argument
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LL | async fn copy() -> Result<(), E>
| +++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0107`.
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