Enumerables in Ruby

Using Enumerables in Ruby - Source for the tutorial is Ruby Programming Language
by Yukihiro Matsumoto(creator of Ruby) and David Flanagan.

The blog below has a sample code with output. The sample code below with inline comments in a way summarizes the concept(refer blog title) covered as part of the book.

	#Playing with Enumerable Objects
	squares = [1,2,3].collect { |x| x*x }
	print("Squares:")
	puts(squares)
	puts("\n")
	#--------------------------------------------------------------------------------------------------------------------------------
	print("Odd numbers upto range:\n")
	odds = (1..25).select { |x| x%2 != 0 }
	puts(odds)
	puts("\n")
	#--------------------------------------------------------------------------------------------------------------------------------
	print("Even numbers upto range:\n")
	evens = (1..25).reject { |x| x%2 != 0 }
	puts(evens)
	puts("\n")

view raw enumerables.rb hosted with ❤ by GitHub

	Squares:1
	4
	9
	Odd numbers upto range:
	1
	3
	5
	7
	9
	11
	13
	15
	17
	19
	21
	23
	25
	Even numbers upto range:
	2
	4
	6
	8
	10
	12
	14
	16
	18
	20
	22
	24

view raw enumerables_output hosted with ❤ by GitHub