lua_upvaluejoin

rglua::lua

Function lua_upvaluejoin 

Source 
pub fn lua_upvaluejoin(
    l: LuaState,
    fidx1: c_int,
    n1: c_int,
    fidx2: c_int,
    n2: c_int,
)
Expand description

Make the n1 upvalue of the Lua closure at index fidx1 refer to the n2 upvalue of the Lua closure at index fidx2.