generator
iterator for the concept of producing a list one element at a time
Iteratee for an alternative
Lazy evaluation for producing values when needed
Corecursion for potentially infinite data by recursion instead of yield
Coroutine for even more generalization from subroutine
Continuation for generalization of control flow
https://source.unsplash.com/featured/?generator#.png
/suto3/google.icongenerator
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