maybe

Documentation

Index

• func Reduce[A, B any](m *Maybe[A], b B, f F2[B, A, B]) B
• type Maybe
  • func Bind[A, B any](m *Maybe[A], f F1[A, *Maybe[B]]) *Maybe[B]
  • func Filter[A any](m *Maybe[A], f F1[A, bool]) *Maybe[A]
  • func Just[A any](a A) *Maybe[A]
  • func Map[A, B any](f F1[A, B], m *Maybe[A]) *Maybe[B]
  • func Nothing[A any]() *Maybe[A]
  • func (m *Maybe[A]) Default(defaultValue A) A

Functions

func Reduce

func Reduce[A, B any](m *Maybe[A], b B, f F2[B, A, B]) B

Types

type Maybe

type Maybe[A any] struct {
	Value *A
}

func Bind

func Bind[A, B any](m *Maybe[A], f F1[A, *Maybe[B]]) *Maybe[B]

func Filter

func Filter[A any](m *Maybe[A], f F1[A, bool]) *Maybe[A]

func Just

func Just[A any](a A) *Maybe[A]

func Map

func Map[A, B any](f F1[A, B], m *Maybe[A]) *Maybe[B]

func Nothing

func Nothing[A any]() *Maybe[A]

func (*Maybe[A]) Default

func (m *Maybe[A]) Default(defaultValue A) A