func funcMonth(vals []Value, args Expressions, enh *EvalNodeHelper) Vector {
	return dateWrapper(vals, enh, func(t time.Time) float64 {
		return float64(t.Month())
	})
}
func funcMonth(vals []Value, args Expressions, enh *EvalNodeHelper) Vector {
	return dateWrapper(vals, enh, func(t time.Time) float64 {
		return float64(t.Month())
	})
}
func funcMonth ( vals [ ] Value , args Expressions , enh * EvalNodeHelper ) Vector { return dateWrapper ( vals , enh , func ( t time . Time ) float64 { return float64 ( t . Month ( ) ) } ) }
// === month(v Vector) Scalar ===
=== month ( v Vector ) Scalar ===