Sha256: 870ea3bd8771a5f26715334ba941be07eaa984b9f39af50caffb59125d378d21
Contents?: true
Size: 891 Bytes
Versions: 10
Compression:
Stored size: 891 Bytes
Contents
class Module
# Create an attribute method for both getting
# and setting an instance variable:
#
# attr_setter :a
#
# is equivalent to:
#
# def a(*args)
# if args.size > 0
# @a = args[0]
# self
# else
# @a
# end
# end
#
# CREDIT: Trans
def attr_setter(*args)
code, made = '', []
args.each do |a|
code << %{
def #{a}(*args)
args.size > 0 ? ( @#{a}=args[0] ; self ) : @#{a}
end
}
made << "#{a}".to_sym
end
module_eval code
made
end
# Alias an accessor. This create an alias for
# both a reader and a writer.
#
# class AttrSetterExample
# attr_setter :a
# alias_setter :b, :a
# end
#
# x = AttrSetterExample.new
# x.b(1)
# x.a #=> 1
#
# CREDIT: Trans
alias_method :alias_setter, :alias_method
end
Version data entries
10 entries across 9 versions & 2 rubygems