Goption

A way to handle nil values.

Requirements

Use Go 1.18+ is a must. Goption uses Generics.

Description

This is a copy of Java Optional. It contains almost all functions

• Empty
• Of
• Optional.Get
• Optional.IsPresent
• Optional.OrElseError
• Optional.OrElse

And others made specifically to go:

• Optional.MustGet

SQL

You can use goption.Optional to sql package. Optional implements sql.Scanner and sql.Valuer

JSON Marshall

Unfortunately ,omitempty is not supported by now due how json.Marshal works. For more details can see this link.