Dictionary Class

gistfile1.rb

class Dictionary
  def initialize(entries = {})
    @entries = entries
  end

  def add(new_entry)
    new_entry = { new_entry => nil } if new_entry.is_a?(String)
    @entries.merge! new_entry
  end

  def entries
    @entries.sort_by { |k,v| k }.map { |k,v| {k => v} }
  end

  def find(search_entry)
    return {} if search_entry.empty?
    @entries.select { |word, definition| word =~ /^#{search_entry}/ }
  end

  def keywords
    @entries.keys.sort
  end

  def include?(entry_key)
    @entries.has_key? entry_key
  end
end