HASKELL

101

Functional Programming ?

Useless ?

Why Haskell ?

What's Haskell ?

Pure Functional Programming

Language

Lazily Evaluated

Language

Statically Typed

Language

Type Inference
Hindley - Milner Type System

Elegant

and

Concise

Kick Ass

Language

(Academia)

No Null Pointers
No Loops
No MutableVariables

And

Pattern Matching

Haskell Compilers

Hugs

GHC

Simon Peyton Jones

Major Contributor to Design of Haskell.
Wrote GHC Compiler.

Lets Try it Out

Online Haskell

Link

Basic Constructs

and

Operations

FUNCTIONS

LISTS

TUPLES

RANGES

List Comprehensions

Lets Implement

Quick Sort in Haskell

Sorting Algorithm

Developed by Tony Hoare

Average O(nlogn)

Worst O(n2)

Problem #2

Duplicate the elements of a list.

[1 , 2, 3 ]

[1, 1, 2, 2, 3, 3]

Problem #3

Convert String into Uppercase

INPUT: "abcd"

OUPUT: "ABCD"

Learn You a Haskell

More awesomeness

to be followed ...

Thank You

Q & A