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Re: Substring indices everywhere? Eating a cake without destroying it

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To: per@xxxxxxxxxxx
Subject: Re: Substring indices everywhere? Eating a cake without destroying it
From: Marc Feeley <feeley@xxxxxxxxxxxxxxxx>
Date: Mon, 3 Jan 2000 11:39:22 -0500
Cc: oleg@xxxxxxxxx, srfi-13@xxxxxxxxxxxxxxxxx
In-reply-to: <m2aemqenzx.fsf@xxxxxxxxxxxxxxxxxx> (message from Per Bothner on 31 Dec 1999 14:36:50 -0800)
References: <199912312126.VAA11818@xxxxxxxxxxxxxx> <m2aemqenzx.fsf@xxxxxxxxxxxxxxxxxx>

> Why not just allow an implementation to "inline" substring?
> Instead of:
>         (string->number (XS>< "$12345.99" 1))
> the programmer would write:
>         (string->number (substring "$12345.99" 1))
> and the implementation can re-write this as:
>         (%%substring->number "$12345.99" 1)

I agree with Per.  It will be harder work for the compiler but the interface
is much cleaner.

Marc

References:
- Substring indices everywhere? Eating a cake without destroying it
  - From: oleg
- Re: Substring indices everywhere? Eating a cake without destroying it
  - From: Per Bothner

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