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error[E0308]: mismatched types
--> $DIR/issue-100285.rs:2:5
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LL | fn foo(n: i32) -> i32 {
| --- expected `i32` because of return type
LL | / for i in 0..0 {
LL | | if n < 0 {
LL | | return i;
LL | | } else if n < 10 {
... |
LL | | }
| |_____^ expected `i32`, found `()`
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= note: `for` loops evaluate to unit type `()`
help: consider returning a value here
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LL ~ }
LL ~ /* `i32` value */
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0308`.
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