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<Functional Programming 101: Lists and Closures ⁄ >




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A key feature of functional programming languages are their list data structures. In many languages the list can store items of disparate data types, and language provides a number of powerful primitives that manipulate these lists.

The primitive we're going to look at today is called a list comprehension. A list comprehension is similar to how we're used to specifying sets in mathematics. If I wanted to A define as the set of all integers between 1 and 999 which are divisible by 3, I'd write:



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