[squeak-dev] Re: [BUG] [ :a | ] value: 1
stephen at pairhome.net
Wed Dec 16 18:35:23 UTC 2009
On Wed, Dec 16, 2009 at 1:24 PM, Eliot Miranda <eliot.miranda at gmail.com>wrote:
> I like Peter's response. How about making it a preference? ;) ;) What I
> mean is we replace the code by something that compiles code that either
> raises an error or answers nil. y default the preference is set to generate
> the error code. Then we force people to write [:arg| nil] because [:arg| ]
> will generate a run-time error (with a verbose and helpful explanatory
> comment). Then in a few months, years, decades we'll be in a position to
> remove the preference and generate code that answers nil because all the
> uses will have been caught.
> I can imagine wanting to keep the preference and turning it on when
> importing code from other dialects for error checking.
> The downside to this approach is that empty blocks with arguments will
> include the "nil" noise. But that;s very easy to remove automatically once
> the putsch is stable.
Egads! I thought it was a really good joke at first, but now I realize you
are half serious.
Make it work right, fix all the code in the base image, maybe write
something that can reveal places where this is done in a particular class or
package, then publish it while reminding people of:
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