option

package

v0.1.3 Latest Latest Go to latest Published: May 5, 2024 License: BSD-3-Clause Imports: 0 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Package option provides optional (nullable) types.

This section is empty.

This section is empty.

This section is empty.

type Option[T any] struct {
	Valid bool `label:"Set"`
	Value T
}

Option represents an optional (nullable) type. If Valid is true, Option represents Value. Otherwise, it represents a null/unset/invalid value.

func New[T any](v T) *Option[T]

New returns a new Option set to the given value.

func (o *Option[T]) Clear() *Option[T]

Clear marks the value as null/unset/invalid.

func (o *Option[T]) Or(or T) T

Or returns the value of the option if it is not marked as null/unset/invalid, and otherwise it returns the given value.

func (o *Option[T]) Set(v T) *Option[T]

Set sets the value to the given value.

func (o *Option[T]) ShouldShow(field string) bool