Class: JMESPath::Nodes::SumFunction Private

Inherits:
Function show all
Defined in:
lib/jmespath/nodes/function.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary

Constants inherited from Function

Function::FUNCTIONS

Instance Method Summary collapse

Methods inherited from Function

create, #initialize, #optimize, #visit

Methods inherited from Node

#chains_with?, #hash_like?, #optimize, #visit

Constructor Details

This class inherits a constructor from JMESPath::Nodes::Function

Instance Method Details

#call(args) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



335
336
337
338
339
340
341
342
343
344
345
346
347
 
# File 'lib/jmespath/nodes/function.rb', line 335

def call(args)
  if args.count == 1 && Array === args.first
    args.first.inject(0) do |sum,n|
      if Numeric === n
        sum + n
      else
        raise Errors::InvalidTypeError, "function sum() expects values to be numeric"
      end
    end
  else
    raise Errors::InvalidArityError, "function sum() expects one argument"
  end
end