Function Composition - forward composition versus backward composition

Published: 11 Aug 2019

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The document discusses function composition in Scala.
It defines forward composition as applying one function f to the result of another function g, written as f andThen g.
Backward composition applies functions in the opposite order, first applying g and then f to the result, written as f compose g.
Both operations can be implemented as curried functions in Scala, with andThen and compose respectively, that take the functions as arguments and return a function combining their operations.