Class: Keisan::AST::ConstantLiteral

Inherits:
Literal show all
Defined in:
lib/keisan/ast/constant_literal.rb

Direct Known Subclasses

Boolean, Null, Number, String

Instance Method Summary collapse

Methods inherited from Node

#!, #%, #&, #*, #**, #+, #+@, #-, #-@, #/, #<, #<=, #>, #>=, #^, #and, #coerce, #deep_dup, #differentiate, #equal, #evaluate_assignments, #evaluated, #false?, #not_equal, #or, #replace, #simplified, #simplify, #to_cell, #to_node, #true?, #unbound_functions, #unbound_variables, #value, #well_defined?, #|, #~

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 8

def ==(other)
  case other
  when ConstantLiteral
    value == other.value
  else
    false
  end
end

#evaluate(context = nil) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 4

def evaluate(context = nil)
  self
end

#to_s ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 17

def to_s
  case value
  when Rational
    "(#{value.to_s})"
  else
    value.to_s
  end
end