Solutions for https://github.com/caseyohara/ect

ect.rb

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