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error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments
--> $DIR/closure-arg-count-expected-type-issue-47244.rs:16:23
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LL | let _n = m.iter().map(|_, b| {
| ^^^ ------ takes 2 distinct arguments
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| expected closure that takes a single 2-tuple as argument
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help: change the closure to accept a tuple instead of individual arguments
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LL | let _n = m.iter().map(|(_, b)| {
| ~~~~~~~~
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0593`.
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