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Contents
module Inch
module Utils
# Extend a class with ReadWriteMethods and you will gain the +rw_methods+
# macro.
#
# class User
# extend ReadWriteMethods
# rw_methods :name, :admin
# end
#
# This implements read methods that act as writer methods when called
# with a value parameter:
#
# user = User.new
# user.name # => nil
# user.name "Adam"
# user.name # => "Adam"
#
module ReadWriteMethods
# Implements a read method that acts as writer if called with a value
#
# @return [void]
def rw_method(name)
class_eval """
def #{name}(value = nil)
if value.nil?
@#{name}
else
@#{name} = value
end
end
"""
end
# Implements multiple read(write) methods with the given +names+
#
# @param names [Array<String,Symbol>]
# @return [void]
def rw_methods(*names)
[names].flatten.each { |name| rw_method(name) }
end
end
end
end
Version data entries
42 entries across 42 versions & 1 rubygems