Re: Lua life after integers

[Andrew Starks <andrew.starks@...>]

On Monday, December 8, 2014, Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> wrote:
> > If I'm understanding the manual correctly, lua_tolstring() doesn't
> > honour __tostring. Similarly lua_tonumberx() doesn't call __tonumber
> > (if such a metamethod even exists?). The manual also doesn't appear to
> > specify whether lua_call() will look at __call.
>
> All core metamethods are honored in the Lua API, except for those
> functions that are named *raw*. Both the API functions and the VM
> instructions ultimately use the same code. The core metamethods
> are listed in http://www.lua.org/work/doc/manual.html#2.4 .
>
> __tostring is not a core metamethod, nor are __pairs and __ipairs.
>
> So, lua_tolstring does not honor __tostring. luaL_tolstring does.

Neither is __call then, I take it? It is not honored in xpcall, at least.