Sha256: 4fc4c407bbde9f97b6019163e2cc406b5ae3a8db95141021945b848bb7836225
Contents?: true
Size: 668 Bytes
Versions: 36
Compression:
Stored size: 668 Bytes
Contents
require 'forwardable'
class ExplicitDelegator
extend Forwardable
def self.enforce_definitions(*methods)
define_method(:enforced_methods) do
super() | methods
end
methods.each do |method|
def_instance_delegator(:@delegate, method)
end
end
def initialize(delegate)
@delegate = delegate
ensure_defined
end
def enforced_methods
[]
end
def ensure_defined
missing_methods = []
enforced_methods.each do |method|
missing_methods << method unless @delegate.methods.include?(method)
end
raise "Methods required to use #{self.class}: #{missing_methods}" unless missing_methods.empty?
end
end
Version data entries
36 entries across 36 versions & 1 rubygems