Sha256: a2bd6fe28ff20eb05d0d1e514caf0e5cac660cd5fd9085653f7c5c5d8d0d3de3
Contents?: true
Size: 834 Bytes
Versions: 28
Compression:
Stored size: 834 Bytes
Contents
class Class
def define_option(name, default=nil)
sym = name.to_sym
cattr_reader(sym)
cattr_writer(sym)
send("#{name.to_s}=", default)
end
def blockable_attr_accessor(sym)
module_eval(<<-EVAL, __FILE__, __LINE__)
def #{sym}(&block)
if block_given?
@#{sym} = block
else
@#{sym}
end
end
def #{sym}=(value)
@#{sym} = value
end
EVAL
end
end
class Module
def attr_accessor_with_default(sym, default = nil, &block)
raise 'Default value or block required' unless !default.nil? || block
define_method(sym, block_given? ? block : Proc.new { default })
module_eval(<<-EVAL, __FILE__, __LINE__)
def #{sym}=(value)
class << self; attr_reader :#{sym} end
@#{sym} = value
end
EVAL
end
end
Version data entries
28 entries across 26 versions & 8 rubygems