maybe

package

v0.0.0-...-460841a Latest Latest Go to latest Published: May 13, 2024 License: MIT Imports: 1 Imported by: 0

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func Just[T any](maybe Maybe[T]) T

func JustValid[T any](m Maybe[T]) (t T, ok bool)

func MapNone[T any](m Maybe[T], f func() T) T

func ToPtr[T any](m Maybe[T]) *T

func Valid[T any](maybe Maybe[T]) bool

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

func FromPtr[T any](t *T) Maybe[T]

func Map[T, E any](m Maybe[T], f func(T) E) Maybe[E]

Map maybe to different type

func NewJust[T any](v T) Maybe[T]

func NewNone[T any]() Maybe[T]

NewNone used for explicit none value

func (m Maybe[T]) MarshalJSON() ([]byte, error)

func (m *Maybe[T]) UnmarshalJSON(bytes []byte) error