yes this one looks good.
but
copyFrom: 1 to: does not convey that you should pass the second
argument starting reverse.
copyFrom: 3 toFromEnd: -2
would be better
Stef
> Yes, I would welcome such an extension!
>
> I wouldn't invent a new syntax, though, but just use the existing protocol
>
> array copyFrom: 1 to: -2
>
> Cheers,
> Adrian
>
>
> On Jun 7, 2010, at 13:47 , Niko Schwarz wrote:
>
>> Hi guys,
>>
>> Am I the only one who finds the ruby protocol for accessing
>> collections richer at times? In Smalltalk, if ary is an array, how do
>> I get ary without its last element?
>>
>> In Ruby, it's dead easy: ary[0..-2]. I can do that by heart after not
>> having done any serious Ruby in a long time. In Smalltalk, I have to
>> search through a long list of method names, because there are just so
>> many possible names for the method.
>>
>> The point is: would it be totally out of reach to try and get a more
>> concise and unified way to access sequenceable collections?
>>
>> I know I'm sort of asking for the slaughter of a holy cow: Smalltalk
>> only has telling and easy message names all over. Or wait, does it?
>> There's of course Class >> #methodName. And 2 @ 3 for points.
>>
>> Just to put something on the table, how about:
>>
>> (ary at: 1, -2)
>>
>> Or, without braces, if you don't mind the reversal:
>>
>> 1,-2 @ ary
>>
>> Or, consistent with current naming conventions:
>>
>> (ary from: 1 to: -2)
>>
>> Just my 2 cents, what do you think?
>>
>>
>> Niko
>> --
>> http://scg.unibe.ch/staff/Schwarz
>> twitter.com/nes1983
>> Tel: +41 076 235 8683
>>
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>
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