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feat: improved closure docs and exercises by using into_iter()

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jayber 2022-06-07 13:56:46 +01:00
parent 2fd0e53365
commit b8a901a9ea
1 changed files with 2 additions and 2 deletions
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@ -183,9 +183,9 @@ of a value owned by a called function.
You can replace 'reduce()' with a different function call. Update the closure
so that it matches the signature of this new call, and change the code to return
the correct type from the sum_letters function. (Using 'sum()' is cheating!)
OR you can change the sort of iterator you get, so that you don't have to return a reference.
OR you can change the way you get the iterator, so that you don't have to return a reference.
Pay close attention to the documentation linked to in the exercise: which type
parameters are the same in the function signatures, and which are different. And
parameters are the same in the function signatures, and which are different? And
how do the return types of the variations of getting an iterator differ from each other?"""
[[exercises]]