tylerbrewer2/my-collect

my_collect

Objectives

1. Gain more practice with the yield keyword and blocks
2. Gain a deeper understanding of how a common interator, `.collect

Instructions:

Fork and clone this repository. Run the test suite to get a better understanding of what is being asked of you. You'll write your code in "my_collect.rb".

You are writing a method that behaves just like the real .collect method. It should take in an argument of a collection, iterate over that collection, and execute the code in the block you call it with for each element in the collection. It should return the modified collection.

For example:

array = [1, 2, 3, 4]
my_collect(array) do |i|
	i * 2
end

Should return:

[2, 4, 6, 8]

Don't use Ruby's .each method to solve this lab. Rely on the yield keyword to yield each element in the collection to the block that my_collect is called with.

Resources

• All About Ruby - Ruby Blocks
• About.com - Block Parameters and Yielding
• Coda Hale's Blog - Writing a Method that Uses Code Blocks
• Reactive's Tips - Understanding Ruby Blocks, Procs, and Lambdas