30 lines
595 B
Ruby
30 lines
595 B
Ruby
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require_relative './language/general'
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require_relative './language/operations'
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require_relative './language/stack'
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module Rpn
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module Core
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module_function
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def stack_extract( stack, needs )
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raise 'Not enough elements' if stack.size < needs.size
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args = []
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needs.each do |need|
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elt = stack.pop
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raise "Type Error, needed #{need} got #{elt[:type]}" if need != :any && !need.include?( elt[:type] )
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args << elt
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end
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[stack, args.reverse]
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end
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def __todo( stack )
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puts '__NOT IMPLEMENTED__'
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stack
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end
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end
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end
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