Re: Proposal: lua_pushfoo() should return 1

[Dirk Zoller <duz@...>]

On 09/02/2014 01:57 PM, Roberto Ierusalimschy wrote:
> >     [...]
> >
> > where if lua_pushx would return 1, the then possible source code
> >
> >     return lua_pushx (L, xxx)
> >
> > often times would be compiled to just:
> >
> >     jump lua_pushx
> >
> >
> > So there would actually be a small technical benefit.
>
> If you really want to go to this level (which I think is pure
> speculation), you should consider also the cost of all useless
> "mov $1, %eax" inside those 'lua_pushinteger' not used in returns
> (paid by all compilers) :-)

Did you try or do you speculate I'm just speculating?

This would go along with establishing the "return lua_pushsomething(..."
as an idiom in order reap these benefits.

They are of at least the same significance as those that at one point
made you start writing

   return luaL_error(...)

http://lua-users.org/lists/lua-l/2013-02/msg00463.html