Class: FExpr::Evaluator::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/fexpr/base.rb

Overview

Classes

Direct Known Subclasses

NumNode, OpNode

Instance Method Summary collapse

Instance Method Details

#eval ⇒ Object 



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# File 'lib/fexpr/base.rb', line 31

def eval
  raise 'Implement eval, stupid!'
end

#to_s ⇒ Object 



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# File 'lib/fexpr/base.rb', line 25

def to_s
  to_string 0
end

#to_string(depth) ⇒ Object 



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# File 'lib/fexpr/base.rb', line 28

def to_string(depth)
  raise 'Implement to_string, stupid!'
end

#x(n) ⇒ Object 



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# File 'lib/fexpr/base.rb', line 34

def x(n)
  Array.new(n) { |x| '.' }.join(' ') + ' '
end