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  • Book Overview & Buying Learning F# Functional Data Structures and Algorithms
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Learning F# Functional Data Structures and Algorithms

Learning F# Functional Data Structures and Algorithms

By : Adnan Masood
4 (9)
Buy this Book
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Learning F# Functional Data Structures and Algorithms

Learning F# Functional Data Structures and Algorithms

4 (9)
By: Adnan Masood
Buy this Book

Overview of this book

If you have just started your adventure with F#, then this book will help you take the right steps to become a successful F# coder. An intermediate knowledge of imperative programming concepts, and a basic understanding of the algorithms and data structures in .NET environments using the C# language and BCL (Base Class Library), would be helpful.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Embrace the Truth
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1. Embrace the Truth
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Exploring the functional programming paradigm
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Thinking functional – why functional programming matters
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A historical primer of F#
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The Hello World example
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A brief F# language primer
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Syntactical similarities and differences
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Benefits of using F# over C#
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Summary
2
2. Now Lazily Get Over It, Again
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2. Now Lazily Get Over It, Again
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Setting up the IDE
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Your first F# project
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Talk is cheap, show me some code
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To understand recursion, you must understand recursion
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Memoization with Fibonacci
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Towers of Hanoi
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Sorting lazily
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F# 4.0 – new features
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Summary
3
3. What's in the Bag Anyway?
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3. What's in the Bag Anyway?
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Exploring data structures in F#
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F# implementation of sorting algorithms
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Algorithmic complexity and the Big-O notation
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Summary
4
4. Are We There Yet?
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4. Are We There Yet?
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Diving deep into enumerations and sequences
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Enumerating a CSV file
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Query expressions
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Creating sequences from collections
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Usage considerations for sequences
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Summary
5
5. Let's Stack Up
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5. Let's Stack Up
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Let's build a stack
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Stack with concurrency support
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Testing the stack
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Algorithm – parenthesis matching using stacks
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Summary
6
6. See the Forest for the Trees
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6. See the Forest for the Trees
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Tree as a data structure
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The binary search tree
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Navigating the tree
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Abstract syntax trees
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Summary
7
7. Jumping the Queue
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7. Jumping the Queue
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Let's make a functional queue
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The FSharpx.Collections library
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Summary
8
8. Quick Boost with Graph
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8. Quick Boost with Graph
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Graphs
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Modeling graphs using F#
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The shortest path algorithm
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Finding the minimal path sum
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Summary
9
9. Sets, Maps, and Vectors of Indirections
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9. Sets, Maps, and Vectors of Indirections
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Sets and maps
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Vectors
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F# and the Intermediate Language
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Summary
10
10. Where to Go Next?
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10. Where to Go Next?
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References and further readings
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F# language resources
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Component design guidelines
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Functional programming guides
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Books and interactive tutorials
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Video tutorials
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Community projects – development tools
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Community projects – functional programming
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Community projects – data science programming
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Community projects – the GPU execution
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General functional programming
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Academic resources
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Summary
11
Index
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Index

Abstract syntax trees

Abstract syntax trees (AST) are the tree representations of the symbolic expressions in programming languages. F# can provide an elegant representation of symbolic expressions as trees. In order to evaluate an expression tree, we need to traverse it in post-order. A simple expression tree for the statement can be represented as follows:

Like the mathematical expression tree (a specialized abstraction syntax tree) in the preceding example, an expression in a programming language is typically composed of variables and operators.

type expression =
  | Integer of int
  | Var of string 
  | Addition of expression * expression 
  | Multiply of expression * expression ;;

Therefore, the expression tree for the statement can be represented as follows:

type expression =
  | Integer of int
  | Var of string 
  | Addition of expression * expression
  | Multiply of expression * expression;;

let expr = Addition (Multiply(Integer 2, Integer 3), Integer 1)

F# does not have a built...

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Tech Concepts
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Programming languages
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Learning F# Functional Data Structures and Algorithms
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