masker

Documentation

Index

• type Masker
  • func NewMasker(i int) Masker
  • func (m Masker) First() Masker
  • func (m Masker) FirstIndex() int
  • func (m Masker) FirstIsIn(n Masker) bool
  • func (m Masker) Next() Masker
  • func (m Masker) String() string
  • func (m Masker) SubsetOf(mask Masker) bool

Types

type Masker

type Masker uint16

Masker represents a set of one-bits and the ability to enumerate them.

func NewMasker

func NewMasker(i int) Masker

func (Masker) First

func (m Masker) First() Masker

First returns a masker with only the low bit of m.

func (Masker) FirstIndex

func (m Masker) FirstIndex() int

func (Masker) FirstIsIn

func (m Masker) FirstIsIn(n Masker) bool

FirstIsIn returns true if, and only if, the low bit of m is also in n.

func (Masker) Next

func (m Masker) Next() Masker

Next strips the low bit off a Masker.

func (Masker) String

func (m Masker) String() string

func (Masker) SubsetOf

func (m Masker) SubsetOf(mask Masker) bool