What does '# => ' represent in Ruby/Rails?

When working with Ruby on Rails in TextMate. I indent my multi-line comments like so

# This is a long comment and it'll run multiple lines so I'll
#   indent the second line so people know it's part of the first comment.

In TextMate's Ruby bundle when you type a hash then hit tab it auto generates the following

# => This text is still treated as a comment.

What is the significance of the => symbol when used after a hash? Thanks!


It is just a convention among Ruby users to represent the return value of an expression. TextMate adopted this convention.

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