lua_rawlen

lua_rawlen[-0, +0, –]

size_t lua_rawlen (lua_State *L, int index);

Returns the raw "length" of the value at the given index: for strings, this is the string length; for tables, this is the result of the length operator ('#') with no metamethods; for userdata, this is the size of the block of memory allocated for the userdata; for other values, it is 0.

Links:

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

doc_lua

2017-02-21 04:14:09

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