How to Design Pure Functions

How to Design Pure Functions

Today I am going to talk about how to design Pure Function and help you understand the benefits of pure function. Pure functions is a concept mainly used in functional programming languages but it can be applied in any programming paradigm

Today I am going to talk about how to design Pure Function and help you understand the benefits of pure function.

Nowadays Functional Programming is getting a lot of attention due to the advantages it offers like parallelismeasier testing_predictability _ and many others.

Pure functions is a concept mainly used in functional programming languages but it can be applied in any programming paradigm

Definition

Pure functions can be defined as

  • The function always returns the same value for the same inputs. The output is only determined by its input values.
  • A function where the return value is only determined by its input values, without observable side effects

Characteristics Of Pure Function

  • Function should always return a result.
  • Function must only depend on their inputs. That means this function should not use any other value than the function inputs to calculate the result
  • Pure functions cannot have other side effects than the computation of its return value.
  • Referentially transparent: An expression is said to be referentially transparent if
  • it can be replaced with its corresponding value without changing the
  • program’s behaviour.

functional-programming lambda-function functor kotlin programming functional-components coding coding-skills

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