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lua_upvaluejoin

lua_upvaluejoin[-0, +0, –]

void lua_upvaluejoin (lua_State *L, int funcindex1, int n1,
                                    int funcindex2, int n2);

Make the n1-th upvalue of the Lua closure at index funcindex1 refer to the n2-th upvalue of the Lua closure at index funcindex2.

Links:

https://www.lua.org/manual/5.3/manual.html#lua_upvaluejoin

doc_lua

2017-02-21 04:14:52

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