Function luaV_tonumber

Source/Misc/lua/src/lua.c:14868–14877

const TValue *luaV_tonumber (const TValue *obj, TValue *n) {
lua_Number num;
if (ttisnumber(obj)) return obj;
if (ttisstring(obj) && luaO_str2d(svalue(obj), &num)) {
setnvalue(n, num);
return n;
}
else
return NULL;
}


int luaV_tostring (lua_State *L, StkId obj) {