Re: Proposal: lua_pushfoo() should return 1

[Coda Highland <chighland@...>]

On Mon, Sep 1, 2014 at 7:40 PM, Tim Hill <drtimhill@gmail.com> wrote:
>
> On Sep 1, 2014, at 7:11 PM, Coda Highland <chighland@gmail.com> wrote:
>
> On Mon, Sep 1, 2014 at 5:29 PM, Hao Wu <wuhao.wise@gmail.com> wrote:
>
>
>
> On Monday, September 1, 2014, Rena <hyperhacker@gmail.com> wrote:
>
>
> More accurately, it should return the number of values it pushed,
> which for most push functions will always be 1.
>
> That would simplify returning a value slightly:
>
> return lua_pushinteger(L, 42);
>
> instead of:
> lua_pushinteger(L, 42);
> return 1;
>
>
>
> How about
>
> return (lua_pusxx(), 1)
>
>
> A clever hack, but there's a high likelihood of confusion since the
> language being interfaced with supports multiple return values,
> whereas comma operator hacks in C are considered bad form.
>
> /s/ Adam
>
>
> With the odd special exception (for example, it’s nearly impossible to write
> a decent assert() macro without it).

Sure, of course, there's always a legitimizing use (or else it wouldn't exist).

/s/ Adam