... If anything, 1 := 2 should work right: Io> message(1 := 2) ==> setSlot("1", 2) Right now, this does nothing; doesn't set the slot. However, if you: ...
8753
Jeremy Tregunna
jtregunna_io
Apr 1, 2006 8:04 am
Sorry to reply to myself, but I just checked with the old parser; the behaviour I describe below worked with the old parser, is broke with the new parser. ... ...
8754
Quag
quagath
Apr 1, 2006 8:14 am
Hi Jer, ... I confirm that there is a bug with the new parser which prevents 1 := 2 from working correctly. I've added the following to my bugs list on ...
8755
Mike Austin
mike_ekim
Apr 1, 2006 8:35 am
... I don't know, it's kind of strange that obj 10 := 20 treats 10 as a string, where everywhere else it would be a number. 10 is not an identifier, it's a ...
8756
Erik Max Francis
xihr
Apr 1, 2006 8:39 am
... I agree. At the very least, `a := b` is supposed to be equivalent to `setSlot(a, b)`. If they both fail, but fail in different ways, that's pretty...
8757
Jason Grossman
jas0ngr0ssman
Apr 1, 2006 9:04 am
... Seems to me that it treats 10 as an object and "10" as a string which is the name of the object. Jason...
8758
Mike Austin
mike_ekim
Apr 1, 2006 9:48 am
... So then in `obj foo := 20`, foo is an object with the name "foo"? I don't think of foo as an object, just the name of a slot, a binding. Then there's...
8759
Quag
quagath
Apr 1, 2006 10:04 am
Hi Erik, ... I believe you meant that 'a := b' is supposed to be equivalent to 'setSlot("a", b)'. As I said in my response to Jer, it is a bug in the new...
8760
Jeremy Tregunna
jtregunna_io
Apr 1, 2006 10:05 am
... No, that's not how "a := b" is supposed to be handled. "a := b" is supposed to be handled like: setSlot("a", b). ... -- Jeremy Tregunna ...
8761
Jeremy Tregunna
jtregunna_io
Apr 1, 2006 10:11 am
... You'll note that the following creates a slow called "foo" (including the quotes): Io> "foo" := "bar" ==> "bar" Io> getSlot("\"foo\"") ==> "bar" This is...
8762
Erik Max Francis
xihr
Apr 1, 2006 10:13 am
... Good point, my bad. Still, if `a := b` is supposed to be equivalent to `setSlot("a" := b)` -- that is to say, the identifier `a` is intended to be...
8763
Quag
quagath
Apr 1, 2006 10:52 am
Hi Erik, ... Io has a weird take on identifiers. An Identifier in Io is something which can be used as a slot name. Slot names must be strings, so identifiers...
8764
Jonas Eschenburg
jonas_eschen...
Apr 1, 2006 5:15 pm
Hi, the message I am replying to is from almost a year ago. Sadly, there hasn't been any discussion on it. As I really like Massimiliano's idea and recently...
8765
Brian Mitchell
binary42@...
Apr 1, 2006 7:30 pm
Hi, ... I am not sure how clear that is. I will repeat some of this bellow for clarity. ... I am not sure how long (or recent) you have used Io but the...
8766
Brian Mitchell
binary42@...
Apr 1, 2006 7:44 pm
... I haven't had time to play around with more syntax but I think this shows that Io can be expressed successfully in more than one way. We have multiple...
8767
Erik Max Francis
xihr
Apr 1, 2006 7:51 pm
... This still doesn't explain why `a := b` and `setSlot("a", b)` behave differently even though they're supposed to be identical. -- Erik Max Francis &&...
8768
Brian Mitchell
binary42@...
Apr 1, 2006 8:08 pm
... The reason you are seeing the <literal> := value bug in the current parser is because of two things: 1) When Io encounters a literal in code it will create...
8769
Jeremy Tregunna
jtregunna_io
Apr 1, 2006 9:23 pm
... Actually, it shouldn't be too terribly difficult to support a smalltalk like syntax on Io, but it would require writing a new parser, and reorganizing the...
8770
Jeremy Tregunna
jtregunna_io
Apr 1, 2006 9:38 pm
Author: Jeremy Tregunna Name: Enhance inheritance system with categories Date: 2006-04-01 Revision: 0 Scope: Io Core Abstract This document will describe...
8771
Jonas Eschenburg
jonas_eschen...
Apr 1, 2006 9:49 pm
... What I meant was that not every tree is valid, or at least has a well-defined semantic. ... So you acknowledge that above tree has ambiguous meaning in the...
8772
paul_chiusano
Apr 1, 2006 10:52 pm
If you google "Io language", in the preview for the search hit it says: "Small, embeddable, object-oriented, prototype-based, garbage collected language;...
8773
Jeremy Tregunna
jtregunna_io
Apr 1, 2006 11:49 pm
I made one mistake when originally posting this in the Proxy section, please read it as follows instead: ... -- Jeremy Tregunna jtregunna@......
8774
Quag
quagath
Apr 1, 2006 11:58 pm
Hi Guys, ... In December last year I reinvented this idea under the label Unificiation of Next and Attached Messages. Having done lots of message manipulation...
8775
William Tanksley, Jr
wtanksle
Apr 2, 2006 12:04 am
... Could you compare this to the scheme described in: http://javalab.cs.uni-bonn.de/data2/papers/darwin/roles.IAI-TR-96-11.pdf (AKA "Objects Don't Migrate"). ...
8776
Steve Dekorte
stevedekorte
Apr 2, 2006 12:36 am
... Hi Paul, Thanks for the suggestion. If you can send me the required scripts and html for the web pages as you'd like to see them, I'd be happy to add them....
8777
Brian Mitchell
binary42@...
Apr 2, 2006 1:21 am
Hi, Some quick replies bellow. Keep in mind that the majority of my content was not to make a point but to explore and define the domain better. ... Right....
8778
Eric Gaudet
titousensei
Apr 3, 2006 7:14 pm
How about using syntactic sugar for getSlot? It's pretty common to see notations like this: `obj is the reference to an object and obj is its value. We would...
8779
Jeremy Tregunna
jtregunna_io
Apr 3, 2006 7:38 pm
... The apostrophe ("'") has been suggested (and used) in the past for this very purpose. -- Jeremy Tregunna jtregunna@......
8780
Jason Grossman
jas0ngr0ssman
Apr 4, 2006 4:04 am
... I like this suggestion, because it's very readable. But I'm not sure it's any more easily writable than the current syntax using getSlot. I suspect we'd...
8781
Brian Mitchell
binary42@...
Apr 4, 2006 4:54 am
Hi, I've let this suggestion pass for a while, waiting to see if anyone would post an alternative IoProp. I think there is a general agreement that activation...
