Salman Ahmed debugging

## lambdaconf-sums-products.md

      
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                Exercises for "Sums and Products, Oh My!" — LambdaConf Outpost One Meetup (3/17/2016)
              
          
    Introduction

A type is a set of values.
Int -- The set of all integer values (that fit into 64 bits)

To say that a term a has type A is to say that a is a member of the set of values represented by A.

  
## types.md

      
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                Fun with Types
              
          
    Reading & Understanding Types: Exercises to Level Up!

A type is a set of values. A value stores information at runtime in computer memory (such as a certain integer, a certain list of strings, etc.).
Monomorphic Function Types

In many languages, functions are values (Haskell, PureScript, Javascript)! Or at least, you can pretend they are (Scala, Java).


## fun-with-functions.md

      
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                Fun with Functions! - Exercises Only
              
          
    These exercises were part of a LambdaConf Outpost meetup. You may find the instructions here.


Develop a model for boolean values (Bool), which may be either true or false.
Think: Do you need an if-then-else construct? Why or why not?
Bonus: Develop a model for eithers (Either), whih can be one thing ("left") or another ("right"), and model a boolean as a partitioning of a set into two disjoint sets.


Develop a model for optional values (Maybe / Option), which are containers that are either empty ("nothing" / "none") or hold a single value ("just" / "some").


## fun-functions.md

      
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                Fun with Functions! - Exercises & Solutions
              
          
Develop a model for boolean values (Bool), which may be either true or false.
Think: Do you need an if-then-else construct? Why or why not?
Bonus: Develop a model for eithers (Either), whih can be one thing ("left") or another ("right"), and model a boolean as a partitioning of a set into two disjoint sets.
type Bool = forall a. a -> a -> a


_true :: Bool

  
## Applied-FP-with-Scala.md

      
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    Applied Functional Programming with Scala - Notes

Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.
1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x

  
## compound.scala
// compound growth calculator
val principal = 25000
val rate = 0.01
val n = 1
val t = 20
val total = principal * Math.pow(1 + (rate/n), n*t)
println(total)

## ab-spree
#!/usr/bin/ruby

#url labels can only be /a-zA-Z0-9-/
urls = [
	['Spreedemo-home', 'http://demo.spreecommerce.com/'],
	['Spreedemo-product', 'http://demo.spreecommerce.com/products/xm-inno-xm2go-portable-satellite-radio-mp3-player-and-home-kit'],
	['Google-home', 'http://www.google.com/'],
	['Google-shopping', 'http://www.google.com/prdhp?hl=en&tab=vf']
]
n = 100
	// compound growth calculator
	val principal = 25000
	val rate = 0.01
	val n = 1
	val t = 20
	val total = principal * Math.pow(1 + (rate/n), n*t)
	println(total)
	#!/usr/bin/ruby

	#url labels can only be /a-zA-Z0-9-/
	urls = [
	['Spreedemo-home', 'http://demo.spreecommerce.com/'],
	['Spreedemo-product', 'http://demo.spreecommerce.com/products/xm-inno-xm2go-portable-satellite-radio-mp3-player-and-home-kit'],
	['Google-home', 'http://www.google.com/'],
	['Google-shopping', 'http://www.google.com/prdhp?hl=en&tab=vf']
	]
	n = 100