Class: JMESPath::Nodes::MaxFunction 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. 



193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
 
# File 'lib/jmespath/nodes/function.rb', line 193

def call(args)
  if args.count == 1
    values = args.first
  else
    return maybe_raise Errors::InvalidArityError, "function max() expects one argument"
  end
  if Array === values
    values.inject(values.first) do |max, v|
      if Numeric === v
        v > max ? v : max
      else
        return maybe_raise Errors::InvalidTypeError, "function max() expects numeric values"
      end
    end
  else
    return maybe_raise Errors::InvalidTypeError, "function max() expects an array"
  end
end