lua_gettop

lua_gettop[-0, +0, –]

int lua_gettop (lua_State *L);

Returns the index of the top element in the stack. Because indices start at 1, this result is equal to the number of elements in the stack; in particular, 0 means an empty stack.

Links:

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

doc_lua

2017-02-21 04:13:15

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