Class: JMESPath::Nodes::ReverseFunction 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.



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# File 'lib/jmespath/nodes/function.rb', line 613

def call(args)
  if args.count == 0
    msg = "function reverse() expects 1 or more arguments"
    return maybe_raise Errors::InvalidArityError, msg
  end
  value = args.first
  if Array === value || String === value
    value.reverse
  else
    msg = "function reverse() expects an array or string"
    return maybe_raise Errors::InvalidTypeError, msg
  end
end