lua-users home
lua-l archive

Re: [ANN] Lua 5.4.0 (alpha) now available

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]


You're quite right. The listing should take the value of isk into consideration.
On Tue, Jul 2, 2019 at 5:53 PM Egor Skriptunoff
<egor.skriptunoff@gmail.com> wrote:
>
>
> There are two different operations: x+1 and 1+x
> They could give different results (if x has "__add" metamethod).
> But they are indistinguishable in luac output:
>
> local x
> x = x + 1
> x = 1 + x
>
> 1 [1] VARARGPREP 0
> 2 [1] LOADNIL 0 0 ; 1 out
> 3 [2] ADDI 0 0 1
> 4 [3] ADDI 0 0 1
> 5 [3] RETURN 1 1 1 ; 0 out

AltStyle によって変換されたページ (->オリジナル) /