rust/src/test/ui/issues/issue-59494.stderr
Alex Macleod 75bbd80c09 Add some regression tests
Closes #56229
Closes #59494
Closes #70746
Closes #73229
2020-10-24 13:13:52 +01:00

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error[E0277]: expected a `Fn<(_,)>` closure, found `impl Fn<(((_, _), _),)>`
--> $DIR/issue-59494.rs:21:22
|
LL | fn t8n<A, B, C>(f: impl Fn(A) -> B, g: impl Fn(A) -> C) -> impl Fn(A) -> (B, C)
| ---------- required by this bound in `t8n`
...
LL | let t8 = t8n(t7, t7p(f, g));
| ^^^^^^^^^ expected an `Fn<(_,)>` closure, found `impl Fn<(((_, _), _),)>`
|
= help: the trait `Fn<(_,)>` is not implemented for `impl Fn<(((_, _), _),)>`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.