Re: [Proposal] break do end

[Coda Highland <chighland@...>]

On Wed, Aug 27, 2014 at 7:17 PM, Thiago L. <fakedme@gmail.com> wrote:
> It would be cool if you could use break with do ... end for some sort of
> "safe goto"
>
> Example:
>
> do
> break
> local x = "you'll never see me"
> print(x)
> end
> print("something")
>
> Would print "something"
>
> In 5.2+ we have this:
>
> goto x
> local x = ""
> ::x::
> print("something")
>
> But it errors instead of doing the scoping stuff you can do with do ... end
>
> (This is probably not something for lua 5 but for lua 6 if/when we get it...
> it would probably be less harmful to change goto so that it does an implicit
> do ... end scoping thingy)
>

repeat
  -- statements here
  break
  -- rest of statements skipped
until false

/s/ Adam