maybe

Documentation

Index

• Variables
• func IsNone[T any](m Maybe[T]) bool
• func IsOk[T any](m Maybe[T]) bool
• func None[T any]() (x T, err error)
• type Maybe
  • func Map[T, V any, F monad.Functor[T, V]](m Maybe[T], f F) Maybe[V]
  • func Ok[T any](v T) Maybe[T]

Variables

var ErrNone = errors.New("None")

Functions

func IsNone

func IsNone[T any](m Maybe[T]) bool

func IsOk

func IsOk[T any](m Maybe[T]) bool

func None

func None[T any]() (x T, err error)

Types

type Maybe

type Maybe[T any] func() (T, error)

func Map

func Map[T, V any, F monad.Functor[T, V]](m Maybe[T], f F) Maybe[V]

func Ok

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