ffi::callback Class Reference

Public Member Functions
function	free ()
function	set (local func)

Detailed Description

The C types for callbacks have some extra methods

Member Function Documentation

free()

function free

(

)

Free the resources associated with a callback. The associated Lua function is unanchored and may be garbage collected. The callback function pointer is no longer valid and must not be called anymore (it may be reused by a subsequently created callback).

set()

function set

(

local

func

)

Associate a new Lua function with a callback. The C type of the callback and the callback function pointer are unchanged.

This method is useful to dynamically switch the receiver of callbacks without creating a new callback each time and registering it again (e.g. with a GUI library).

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The documentation for this class was generated from the following file:

• luajit/ffi.lua.hpp