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Collection Pipeline


Collection Pipeline introduces Function Composition and Collection Pipeline, two functional-style patterns that you can combine to iterate collections in your code. In functional programming, it’s common to sequence complex operations through a series of smaller modular functions or operations. The series is called a composition of functions, or a function composition. When a collection of data flows through a function composition, it becomes a collection pipeline. Function Composition and Collection Pipeline are two design patterns frequently used in functional-style programming.

Class diagram

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Use the Collection Pipeline pattern when

  • When you want to perform a sequence of operations where one operation’s collected output is fed into the next
  • When you use a lot of statements in your code
  • When you use a lot of loops in your code