Welcome to the Treehouse Community
The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Barb Hawes
7,253 PointsWhy is 'array' needed on line 17?
Perhaps I overlooked the explanation in the lecture. Is it related to the scope of the 'array' variable?
class MyArray
attr_reader :array
def initialize
@array = []
end
def push(item)
array.push(item)
end
def each(&block)
i = 0
while i < array.length
block.call(array[i])
i += 1
end
array
end
end
1 Answer

bashburn
7,611 PointsHi Barb, the standard each method returns the original array so to replicate that functionality, the word array is added on line 17 as an implicit return of the original array.