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error[E0308]: mismatched types
--> $DIR/closure-print-generic-2.rs:6:22
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LL | let c = || println!("{} {}", t, x);
| -- the found closure
LL | let c1: () = c;
| -- ^ expected `()`, found closure
| |
| expected due to this
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= note: expected unit type `()`
found closure `[closure@$DIR/closure-print-generic-2.rs:5:17: 5:19]`
help: use parentheses to call this closure
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LL | let c1: () = c();
| ++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
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