Re: [racket-users] Re: What is the Racket equivalent to 'return' for early exit?

Em segunda-feira, 21 de novembro de 2016 16:08:40 UTC-2, Leif Andersen escreveu: > Honestly, I personally like to use let/ec for this. I know it's still using > continuations, but it is much more lightweight, both syntactically and in > terms of run-time costs. > > (define (do-something) > >

Re: [racket-users] Re: What is the Racket equivalent to 'return' for early exit?

Okay, that makes sense. Thanks, all. On Mon, Nov 21, 2016 at 10:07 AM, Leif Andersen wrote: > Honestly, I personally like to use let/ec for this. I know it's still > using continuations, but it is much more lightweight, both syntactically > and in terms of run-time

Re: [racket-users] Re: What is the Racket equivalent to 'return' for early exit?

Honestly, I personally like to use let/ec for this. I know it's still using continuations, but it is much more lightweight, both syntactically and in terms of run-time costs. (define (do-something) (let/ec return (unless (some-condition) (return NO)) (do-the-thing))) Although

Re: [racket-users] Re: What is the Racket equivalent to 'return' for early exit?

On 11/21/2016 12:41 PM, David Storrs wrote: Edit: I know I could also use call/cc and invoke the continuation to escape, but that still adds another layer of indentation for something that in the normal case won't be called. It's not a big deal, but I was wondering about it. On Mon, Nov

[racket-users] Re: What is the Racket equivalent to 'return' for early exit?

Edit: I know I could also use call/cc and invoke the continuation to escape, but that still adds another layer of indentation for something that in the normal case won't be called. It's not a big deal, but I was wondering about it. On Mon, Nov 21, 2016 at 9:37 AM, David Storrs