Sha256: db16aa775d29121293c48ddf4afa7b5f6b376f047b4ad6fb149cfb363d6c009a
Contents?: true
Size: 941 Bytes
Versions: 6
Compression:
Stored size: 941 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 X
# attr_accessor :a
# alias_accessor :b, :a
# end
#
# x = X.new
# x.b = 1
# x.a #=> 1
#
# CREDIT: Trans
def alias_setter(*args)
args = args - [orig]
args.each do |name|
alias_method(name, orig)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems