Class: JMESPath::Nodes::Map 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?, #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 207

def call(args)
  if args.count != 2
    return maybe_raise Errors::InvalidArityError, 'function map() expects two arguments'
  end
  if Nodes::Expression === args[0]
    expr = args[0]
  else
    return maybe_raise Errors::InvalidTypeError, 'function map() expects the first argument to be an expression'
  end
  if args[1].respond_to?(:to_ary)
    list = args[1].to_ary
  else
    return maybe_raise Errors::InvalidTypeError, 'function map() expects the second argument to be an list'
  end
  list.map { |value| expr.eval(value) }
end