Created
May 26, 2013 07:25
-
-
Save caseyohara/5651968 to your computer and use it in GitHub Desktop.
Solutions for https://github.com/caseyohara/ect
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
module Etc | |
def collect | |
result = [] | |
self.each do |elem| | |
result << yield(elem) | |
end | |
return result | |
end | |
def detect(ifnone=nil) | |
self.each do |elem| | |
return elem if yield(elem) | |
end | |
return ifnone.call if ifnone.respond_to? :call | |
return nil | |
end | |
def inject(*args) | |
enum = self.to_a | |
result = 0 | |
if block_given? | |
result = args[0] || enum.shift || result | |
enum.each do |elem| | |
result = yield(result, elem) | |
end | |
else | |
method = args[0] | |
if args[1] | |
result = args[0] | |
method = args[1] | |
end | |
enum.each do |elem| | |
result = result.send(method, elem) | |
end | |
end | |
return result | |
end | |
def reject | |
result = [] | |
self.each do |elem| | |
result << elem if yield(elem) == false | |
end | |
return result | |
end | |
def select | |
result = [] | |
self.each do |elem| | |
result << elem if yield(elem) | |
end | |
return result | |
end | |
end | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment