On top of that, this feature would enable a implementing the map general
collection of() method. This would be a definite productivity boost, but
would be a fairly worthless feature without a more convenient means of
specifying the index/value pairs.
Rick
On Thu, Sep 18, 2014 at 4:28 PM, Sahananda (Jon) Wolfers <
[email protected]> wrote:
> I agree with David about double brackets, but I don't agree that sugar
> makes one unproductive or hinders understanding - in fact I think the
> opposite is true. One doesn't want to be coding '=' or '[]' with a
> preceding twiddle.
>
> I think that
>
> do name over ['David','Rick','Jon']
>
> is easier to understand than
>
> do name over .array~of('David','Rick','Jon')
>
> even though 'of' is a nicely contextualised word they don't need to know
> that there is an array behind the do over mechanism.
>
> Jon
>
> On 18 September 2014 19:54, David Ashley <[email protected]> wrote:
>
>> I want to stick my thumb in the pie on this topic.
>>
>> I think we need to be very careful of how much syntactic sugar we add to
>> the language. Otherwise we might end up being like Perl with eight
>> different ways of coding everything. I like Rexx/ooRexx because the
>> language is consistent and easy to read/debug. The more syntactic sugar
>> you add, the harder it is to read and you end up having to look up
>> things you do not understand or have not encountered thus slowing your
>> productivity.
>>
>> And the idea of double brackets - YUK! Reminds me of Lisp which IMHO is
>> the least user friendly language I have ever encountered.
>>
>> Bottom line, syntactic sugar should only be added when it clearly
>> enhances productivity or makes the code easier to read.
>>
>> David Ashley
>>
>> On Thu, 2014-09-18 at 13:41 -0400, Rick McGuire wrote:
>> > I think these do need to be bracketed, since the "," is already used
>> > in the IF/WHEN instruction and with DO WHILE/UNTIL for the shortcut
>> > AND conditionals. Square brackets are already used as a message type
>> > (primarily with collection objects), but thankfully, the usage follows
>> > the same rules as builtin functions, so they can be used in both the
>> > message form and paren-like fashion. Doubling up might work, but it
>> > feels somehow "not right" to me.
>> >
>> >
>> > Rick
>> >
>> >
>> >
>> >
>> >
>> > On Thu, Sep 18, 2014 at 12:49 PM, Mike Cowlishaw <[email protected]>
>> > wrote:
>> > If one didn't want to use up the 'gold' of single
>> > brackets ...
>> >
>> >
>> > first, does one need the brackets at all? I've often thought
>> > as commas in Rexx as being a list notation, in effect, so
>> > perhaps:
>> >
>> > a=1, 2, 3
>> >
>> > or
>> >
>> > do x over 23, 34, 45
>> >
>> > Or, to save single-square-brackets one could go
>> > Wikipedia-like:
>> >
>> > a=[[1, 2, 3]]
>> >
>> > etc ...
>> >
>> > Mike
>> >
>> >
>>
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