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Published: Dec 12, 2022 License: MIT Imports: 1 Imported by: 0




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type Callbacks

type Callbacks struct {
	// contains filtered or unexported fields

Callbacks provides a tracker for data that is to be passed between Go and C callback functions. The Go callback/object may not be passed by a pointer to C code and so instead integer IDs into an internal map are used. Typically the item being added will either be a callback function or a data structure containing a callback function. It is up to the caller to control and validate what "callbacks" get used.

func New

func New() *Callbacks

New returns a new callbacks tracker.

func (*Callbacks) Add

func (cb *Callbacks) Add(v interface{}) uintptr

Add a callback/object to the tracker and return a new ID for the object.

func (*Callbacks) Lookup

func (cb *Callbacks) Lookup(id uintptr) interface{}

Lookup returns a mapped callback/object given an ID.

func (*Callbacks) Remove

func (cb *Callbacks) Remove(id uintptr)

Remove a callback/object given it's ID.

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