Class: Postscript::Model::Operators::Stack::Roll

Inherits:
Postscript::Model::Operator show all
Defined in:
lib/postscript/model/operators/stack.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Postscript::Model::Operator

#accept, #operator?, register_as

Constructor Details

#initialize(count:, positions:) ⇒ Roll

Returns a new instance of Roll.



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# File 'lib/postscript/model/operators/stack.rb', line 50

def initialize(count:, positions:)
  @count = count
  @positions = positions
  freeze
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/postscript/model/operators/stack.rb', line 49

def count
  @count
end

#positions ⇒ Object (readonly)

Returns the value of attribute positions.



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# File 'lib/postscript/model/operators/stack.rb', line 49

def positions
  @positions
end

Class Method Details

.from_operands(stack) ⇒ Object 



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# File 'lib/postscript/model/operators/stack.rb', line 55

def self.from_operands(stack)
  positions = stack.pop_number.to_i
  count = stack.pop_number.to_i
  new(count: count, positions: positions)
end