options

package

v0.2.1 Latest Latest Go to latest Published: Aug 18, 2023 License: MIT Imports: 1 Imported by: 0

Details

Package options implements simple functions to manipulate optional values.

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var (
	ErrNotPresent = errors.New("value not present")
	ErrNotOk      = errors.New("value not ok")
)

func Must[T any](value T, ok bool) T

func OrElse[T any](ok bool, value T, other T) T

type Option[T any] struct {
	// contains filtered or unexported fields
}

func Empty[T any]() Option[T]

func From[T any](value T, isPresent bool) Option[T]

func Some[T any](value T) Option[T]

func (o Option[T]) Get() T

func (o Option[T]) IsPresent() bool

func (o Option[T]) OrElse(other T) T

func (o Option[T]) OrEmpty() T