jdegoes

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

sansumbrella

#include "EventDispatcher.h"

void EventDispatcher::addListener( Listener *l )
{
	mListeners.push_back(l);
}

void EventDispatcher::removeListener( Listener *l )
{
	mListeners.erase( std::remove( mListeners.begin(), mListeners.end(), l ), mListeners.end() );