Sha256: c98aadef3fe58c6d2c79156292907bf15cbb8482f667c1065f9fe274efaef173
Contents?: true
Size: 874 Bytes
Versions: 7
Compression:
Stored size: 874 Bytes
Contents
require File.dirname( __FILE__ ) + '/../module'
class Class
# Creates a subclass of the current class parametrized with a given set of
# parameters. The parameters have form { symbol: value } and they cause
# singleton method(s) named "symbol" be defined on the subclass, returning
# "value".
#
def parametrized_subclass **parameters, &block
Class.new( self ).tap do |subclass|
parameters.each_pair { |symbol, value|
subclass.define_singleton_method symbol do value end
}
subclass.define_singleton_method inspect do subclass.superclass.inspect + "<" end
subclass.class_exec &block if block
end
end
alias parametrize parametrized_subclass
# Method #heir_module is not applicable to classes, raises TypeError.
#
def heir_module
fail TypeError, "Method #heir_module is not applicable to classes!"
end
end
Version data entries
7 entries across 7 versions & 1 rubygems