add additional checks for other primitive types

Author: jhaynie

values.go

@@ -329,12 +329,30 @@ func isNullish(value interface{}) bool {
 	if value, ok := value.(int); ok {
 		return math.IsNaN(float64(value))
 	}
+	if value, ok := value.(*int); ok {
+		if value == nil {
+			return true
+		}
+		return math.IsNaN(float64(*value))
+	}
 	if value, ok := value.(float32); ok {
 		return math.IsNaN(float64(value))
 	}
+	if value, ok := value.(*float32); ok {
+		if value == nil {
+			return true
+		}
+		return math.IsNaN(float64(*value))
+	}
 	if value, ok := value.(float64); ok {
 		return math.IsNaN(value)
 	}
+	if value, ok := value.(*float64); ok {
+		if value == nil {
+			return true
+		}
+		return math.IsNaN(*value)
+	}
 	return value == nil
 }