Module: Drymm::Shapes::Branch

Included in:
Logic::Rule, Types::Type
Defined in:
lib/drymm/shapes/branch.rb

Overview

Drymm::Shapes‘s class interface mixin, designed to extend an abstract __subclass__ of Node, creating a kind of Shape’s branch or, in other words, derivative, to enclose specific namespace.

Instance Method Summary collapse

Instance Method Details

#auto_tuple(*keys) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/drymm/shapes/branch.rb', line 24

def auto_tuple(*keys)
  keys_order(keys_order | keys)
  index = schema.keys.map { |t| [t.name, t.type] }.to_h
  key_type, *node_types = index.values_at(*keys_order)
  if tuple_right
    tuple Tuple(key_type, Tuple(*node_types))
  else
    tuple Tuple(key_type, *node_types)
  end
end

#auto_tuple!(*keys) ⇒ Object 



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# File 'lib/drymm/shapes/branch.rb', line 39

def auto_tuple!(*keys)
  remove_instance_variable(:@keys_order) if instance_variable_defined?(:@keys_order)
  remove_instance_variable(:@tuple) if instance_variable_defined?(:@tuple)
  keys_order []
  auto_tuple(*keys)
end

#coerce_tuple(input) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Flattens the 1st level of the input array.



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# File 'lib/drymm/shapes/branch.rb', line 19

def coerce_tuple(input)
  super(input.flatten(1))
end

#retuple ⇒ Object 



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# File 'lib/drymm/shapes/branch.rb', line 35

def retuple
  auto_tuple!(*keys_order)
end