Class: BoolAndInstruction
Instance Attribute Summary
Attributes inherited from Instruction
#context
Instance Method Summary
collapse
Methods inherited from Instruction
all_instructions, #go, inherited, #initialize, #needs, #pushes, to_nudgecode
Constructor Details
This class inherits a constructor from Instruction
Instance Method Details
#cleanup ⇒ Object
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# File 'lib/instructions/bool/bool_and.rb', line 16
def cleanup
pushes :bool, @result
end
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#derive ⇒ Object
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# File 'lib/instructions/bool/bool_and.rb', line 12
def derive
@result = ValuePoint.new("bool", @arg1 && @arg2)
end
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#preconditions? ⇒ Boolean
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# File 'lib/instructions/bool/bool_and.rb', line 3
def preconditions?
needs :bool, 2
end
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#setup ⇒ Object
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# File 'lib/instructions/bool/bool_and.rb', line 7
def setup
@arg1 = @context.pop_value(:bool)
@arg2 = @context.pop_value(:bool)
end
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