SRM Institute of Science and Technology
School of Computing
Advanced Programming Practice-18CSC207J
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The functional programming paradigm, which treats computation as the evaluation of mathematical functions, avoiding state and mutable data. It covers the definition, concepts, history, and real-time applications of functional programming. The document also compares functional programming with procedural programming, and introduces key functional programming concepts such as first-class functions, pure functions, recursion, immutable variables, and higher-order functions. It provides examples of functional programming in python, including the use of lambda expressions, map(), reduce(), and filter() functions. The document also discusses the advantages and disadvantages of functional programming, and provides guidance on transforming code from an imperative to a functional style.
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SRM Institute of Science and Technology
School of Computing
Advanced Programming Practice-18CSC207J
(X1-X2)*(X1-X2)
Functional Programming Paradigm
Unit-III (15 Session) Session 11-15 cover the following topics:-
- (^) Definition - S11-SLO
- (^) Sequence of Commands โ S11-SLO
- (^) map(), reduce(), filter(), lambda โ S12-SLO
- (^) partial, functools โ S12-SLO
- (^) Other languages:F#, Clojure, Haskell โ S13-SLO
- (^) Demo: Functional Programming in Python - S13-SLO Lab 9: Functional Programming ( Case Study) (S14-15) Assignment : Comparative study of Functional programming in F #, Clojure, Haskell
- (^) TextBook : Shalom, Elad. A Review of Programming Paradigms Throughout the History: With a Suggestion Toward a Future Approach, Kindle Edition
Concepts
- (^) It views all subprograms as functions in the mathematical sense
- (^) Take in arguments and return a single solution.
- (^) Solution returned is based entirely on input, and the time at which a function is called has no relevance.
- (^) The computational model is therefore one of function application and reduction.
Characteristics of Functional Programming
- (^) Functional programming method focuses on results, not the
process
- (^) Emphasis is on what is to be computed
- (^) Data is immutable
- (^) Functional programming Decompose the problem into
'functions
- (^) It is built on the concept of mathematical functions which
uses conditional expressions and recursion to do perform the
calculation
- (^) It does not support iteration like loop statements and