On further reflection, the conditional expression cannot be merged with a
simple redefinition. The conditional expressions have the "shortcut"
feature where not all of the expressions need to be evaluated. The
conditionals will still need to be a special case because of that.
Hmmm .. yes ...
I'm still thinking the comma syntax is workable...this would just work using
the same rules as argument lists, which essentially do produce an array of
values.
Yep. Sounds promising ...
Mike
There's a little awkwardness if you are using these within an argument list
since you'd need to use parens. Thus my example of a collection OF method
would need to be coded
dir = .directory~of(("Rick", "USA"), ("Mike", "UK"))
you'd still need bracketing, just using parens rather than brackets. This
becomes more of a documentation issue since it will be important to
highlight this point, but not that big of a deal.
I think I'm starting to warm up to this suggestion. This just expands on
something we already have and still leaves the brackets available for some
other future usage.
Rick
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.
(Yes, I use them heavily with stems passed to routines and accessed via Use
Arg.)
Doubling up might work, but it feels somehow "not right" to me.
I agree -- ugly, too.
Mike
-------------------
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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