Re: [proposal] "or if" - run this next block if the previous one ran *or if* the condition is true

["Soni \"They/Them\" L." <fakedme@...>]

On 2019-12-23 12:47 p.m., Bas Groothedde wrote:
> > I'd like to have the ability to convert, say:
> >
> > switch (op) {
> > case OP_TAILCALL: {
> >   ...
> >   /*fallthrough*/
> > }
> > case OP_CALL: {
> >   ...
> >   break;
> > }
> > }
> >
> > into:
> >
> > if op == OP_TAILCALL then
> >   ...
> >   -- fallthrough
> > orif op == OP_CALL then
> >   ...
> > end
> >
> > because it looks nicer this way I guess.
>
>
> My apologies, I see what you mean now. Basically if op == OP_TAILCALL 
> or op == OP_CALL, but in separate statements.
> In that particular case, I would rather see a switch-case statement in 
> Lua.
> ~Bas

switch-case is garbage, this is a lot more powerful because the 
condition can be arbitrary. jump tables are just an optimization that 
doesn't need to rely on switch-case to exist. (in fact oftentimes 
switch-case gets "deoptimized" into if-elseif-goto-etc because it runs 
faster!)