Method: Variable#__eval__

Defined in:
lib/symcalc.rb

#__eval__(var_hash) ⇒ Object 



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# File 'lib/symcalc.rb', line 313

def __eval__ var_hash
  if @fixed_value
    return @fixed_value
  elsif var_hash.keys.include?(@name.to_sym) or var_hash.keys.include?(@name.to_s)
    return (var_hash[@name.to_sym] or var_hash[@name.to_s])
  else
    raise "No value provided for #{@name.to_s} in eval"
    # return nil
  end
end