Function lua_Unsigned lua_rawlen

src/lapi.cpp:484–499

LUA_API lua_Unsigned lua_rawlen (lua_State *L, int idx) {
  const TValue *o = index2value(L, idx);
  switch (ttypetag(o)) {
    case LUA_VSHRSTR: return cast(lua_Unsigned, tsvalue(o)->shrlen);
    case LUA_VLNGSTR: return cast(lua_Unsigned, tsvalue(o)->u.lnglen);
    case LUA_VUSERDATA: return cast(lua_Unsigned, uvalue(o)->len);
    case LUA_VTABLE: {
      lua_Unsigned res;
      lua_lock(L);
      res = luaH_getn(L, hvalue(o));
      lua_unlock(L);
      return res;
    }
    default: return 0;
  }
}


LUA_API lua_CFunction lua_tocfunction (lua_State *L, int idx) {