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A comment on Why it’s hard for programmers to write a program to flatten a list?. Parent comment

Re:Why it’s hard for programmers to write a program to flatt... by WkndTriathlete on Monday February 27, 2017 @09:06AM (#13744229)
Flattening a list of lists is a problem that occurs quite frequently in functional programming.

OTOH, in functional programming languages and frameworks, there is no need to actually write a method that does that since it is usually a library function call.

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