Re: Re: limiting

On Wed, 2012-10-10 at 14:53 -0400, David McGlone wrote: > On Wednesday, October 10, 2012 07:36:00 PM Tim Streater wrote: > > On 10 Oct 2012 at 19:17, David McGlone <david@dmcentral.net> wrote: > > > > > > >> > > >> > > >> BTW - in any of your other computer languages didn't they utilize a > > >> 'return' statement? PHP's is no different. > > > > > > > > > > > > back in like '85, I learned Pascal that's the only language I learned and > > > I > don't recall if it used return. > > > > > > Mmmm. There's the problem. Pascal doesn't *have* a return statement. In > > Pascal, implicitly, you return when execution reaches the end of a > > function. In fact the same is true of PHP and JavaScript, but in those > > languages you can return early just by saying return. > > > IMO, this is a major limitation of Pascal. I use returns wherever I feel > > like it - if I detect there's nothing more for the function to do, I > > return. Purists object to this; they say you should enter a function at one > > place and leave at one place. Well, that's a point of view. But more often > > that not it just leads to convoluted code in order to achieve that. The one > > time I *had* to use Pascal as that was the only option, I simply put a 999: > > label at the end of the function and did goto 999 wherever I wanted to do a > > return. Simples! > > goto was the thing that got on my nerves. Even to this day I hate that word > with a passion. > > I think most people do, all but BASIC purists! -- Thanks, Ash http://www.ashleysheridan.co.uk