Happy Learn Haskell Tutorial Volume I
Free
Description
Contents
Reviews
Language
English
ISBN
Unknown
How to learn Haskell enjoyably
Fascination
Wish to Create
Too Many Details?
The Journey Begins
And Now You...
No Magic, But Why Pain?
Precise Language
Taking Care
Two Phases of Learning
Stages Build Skill
Simple, but Fun Examples
Progressive Learning
Natural Assmiliation
Motivation is King
Your First Step
Values
Types
Definitions
Functions
Our First Program
A Definition
A Term, or Variable Name
A Function Name
A String Value
An Expression
Homework
Types as Jigsaw Pieces
A String Value
Puzzles
Definitions again
Type Annotations
Types for Functions
IO Actions as Puzzles
Putting values together like puzzle pieces
The whole program
Another way to look at it
What is a Function?
Arguments?
Nonsense Programs?
The shape of main
The two simple programs
Pulling the definitions apart more
Are signatures mandatory?
Signatures as documentation
Homework
The Main Road
How a Haskell Program is Made
Purity
Everything in Haskell is pure
An Analogy
Haskell is Awesome
Function Magic
A Story of Magic Coins
After the Story
Functions that Return Functions
Homework
Sockets & Plugs
Reusability
Functions are Values
Plugging Values into Functions
Defining Functions
Operator Sections
What is commutivity?
Homework
Output Other Things
Integer or Int?
Type Variables
Type Variables can be named anything
Typeclasses
The Show Typeclass
Parentheses and Precedence
The print Function
Homework
Make Decisions
if...then...else expressions
Nesting if Expressions
Case Expressions
Guard Patterns
Argument Pattern Matching
Conclusions
Homework
Shop For Food with List
The Smallest List
The (:) Operator
List Syntax
The List Type
Lists of Other Types
Lists with More Items
Polymorphic Values and Types
The (:) Operator Again, Binding & Associativity
The Shopping List
Counting The Items
Adding a Message with (++)
Pattern-Matching with the (:) Value Constructor
Totality and More on Pattern-Matching with (:)
Prefix Operator Pattern-Matching
A Tiny Bit of Recursion
The Final Shopping List Program
Homework
A Dream Within a Dream
Predicates, String, Char
The Ord typeclass
Transforming Titles
Building Up a Function to Rename the Movie List
Homework
More Shopping
Tuples
Type Aliases (or Type Synonyms)
The Final Program
More Recursion Explained
Folding
Using foldr
Built in Recursive Functions
Homework
How To Write Programs
At The Zoo
Sum Types
Pattern Matching with Sum Types
More Recursion
What is Currying?
The Finished Program
Homework
Cats and Houses
Another Sum Type
Product Types and Algebraic Data Types
Pattern-Matching Product Types
Function Composition
Importing a Module
Maybe An Answer
A Little Finding & Sorting
More About Maybe
The Final Program
Homework
Basic Output
Setup Your Environment
putStrLn, print and String
Ways To Solve Problems
Guided Exercise 1: Display Hello
Guided Exercise 2: Display the Sum of Two Numbers
Guided Exercise 2: Display the Product of Two Numbers
Reader Exercise 1
Reader Exercise 2
Reader Exercise 3
Reader Exercise 4
Reader Exercise 5
Reader Exercise 6
Fridge, The Game
Do Blocks with IO
Do Block Nesting
Whole-Program Recursion
Homework
The People Book
Models of Data
More on Data Types
Making Our Types Show
Building Our First Value
Records
Finding a Person from the List
Filtering out People in a List
A Note About List Efficiency
Higher Order Functions: filter
Some Eta Reduction
Using filter
Higher Order Functions: map
Higher Order Functions: sortBy
Removing Parentheses With The ($) Function
Using minimumBy
Homework
Times-Table Train of Terror
Tuples or Pairs
Ranges and the zip function
Determining the Level Number
The game loop
Homework
Skwak the Squirrel
More on the ($) Function
Mid-Lesson Homework
Continuing On
Basic Input
Guided Program 1
Guided Program 2
Guided Program 3
A Little More About IO
Your Turn
Reader Exercise 1
Reader Exercise 2
Reader Exercise 3
Reader Exercise 4
Reader Exercise 5
Getting Set Up
Mac Set Up
Manual Set Up
Questions & Community
Frequently Asked Questions
Volume 2 and Language Features
Many Thanks
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