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error[E0061]: this function takes 2 arguments but 1 argument was supplied
--> $DIR/issue-3044.rs:3:23
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LL | needlesArr.iter().fold(|x, y| {
| _______________________^^^^_-
| | |
| | expected 2 arguments
LL | | });
| |_____- supplied 1 argument
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note: associated function defined here
--> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
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LL | fn fold<B, F>(mut self, init: B, mut f: F) -> B
| ^^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0061`.
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