# File lib/jmespath/nodes/function.rb, line 103 def call(args) if args.count == 1 values = args.first else return maybe_raise Errors::InvalidArityError, "function avg() expects one argument" end if Array === values values.inject(0) do |total,n| if Numeric === n total + n else return maybe_raise Errors::InvalidTypeError, "function avg() expects numeric values" end end / values.size.to_f else return maybe_raise Errors::InvalidTypeError, "function avg() expects a number" end end