Class: JMESPath::Nodes::ReverseFunction Private

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

Overview

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.

API:

  • private

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?, #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.

API:

  • private



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# File 'lib/jmespath/nodes/function.rb', line 627

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 value.respond_to?(:to_ary)
    value.to_ary.reverse
  elsif value.respond_to?(:to_str)
    value.to_str.reverse
  else
    msg = 'function reverse() expects an array or string'
    return maybe_raise Errors::InvalidTypeError, msg
  end
end