notes

Pattern matching lets you automatically execute code based on some piece of data. Scala uses pattern matching often, such as when you parse XML or pass messages between threads. Basic syntax of pattern

In Scala, an instance of Set can be declared as follows. val s = (1 to 6).toSet Principle difference between sets and sequences are three: * Sets are unordered val s = (1 to 6)

Fold is a general purpose operation on list (e.g., List[A]), which involves iterating (over each element) and applying a binary function-- f: A -> B -> B to reduce the list

Functions in Scala can be defined simply as follows: def fnname (args)={ // function body } Implementing loop can be done in following manner. def whileLoop{ var i = 1 while (i<=3) { println (i)