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class Module
# 15.2.2.4.13
def attr_reader(*names)
names.each do |name|
name = name.to_s
raise(NameError, "#{name.inspect} is not allowed as an instance variable name") if name.include?('@') || name.include?('?') || name.include?('$')
attr_name = '@'+name
define_method(name){self.instance_variable_get(attr_name)}
end
end
# 15.2.2.4.14
def attr_writer(*names)
names.each do |name|
name = name.to_s
raise(NameError, "#{name.inspect} is not allowed as an instance variable name") if name.include?('@') || name.include?('?') || name.include?('$')
attr_name = '@'+name
name = (name+"=").intern
define_method(name){|v|self.instance_variable_set(attr_name,v)}
end
end
# 15.2.2.4.12
def attr_accessor(*names)
attr_reader(*names)
attr_writer(*names)
end
# 15.2.2.4.11
def attr(name)
attr_reader(name)
end
end
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