World: r3wp
[!REBOL3-OLD1]
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Paul 24-May-2009 [14358] | yeah but that is a copy. |
BrianH 24-May-2009 [14359] | BACK TAIL series sets the position - the AT is a noop in your example. |
Paul 24-May-2009 [14360] | not sure what that means. |
Henrik 24-May-2009 [14361] | BrianH, not if the AT specifies a different series than the BACK TAIL. |
Paul 24-May-2009 [14362] | if it isn't doable just update the ticket to state such. I just wanted to get the wish in there in case I think of it again and forget we discussed it. |
Henrik 24-May-2009 [14363] | instead of writing: at block1 index? block2 it could be: at block1 block2 |
Paul 24-May-2009 [14364x2] | But those are supposing you know the index length. I was hoping to avoid that with my request. |
Specifically for dynamically allocated series. | |
Henrik 24-May-2009 [14366] | you can always use skip -n if you want to jump relatively in a series. |
Paul 24-May-2009 [14367x2] | to me it just seemed more REBOLish to use AT in the manner that I posted. |
Follows the KISS principle to me. | |
BrianH 24-May-2009 [14369] | I can update the ticket if you like. What would you like it to say? INDEX? can return the result of your calculated position. Your example would be: AT series1 INDEX? BACK TAIL series2 |
Paul 24-May-2009 [14370x2] | Wait a minute - Carl's method is simple things should be simple to do (STSBSTD). A longer acronym. |
You can write what you want. It is just a placeholder for me to not suggest it again. | |
BrianH 24-May-2009 [14372] | I'm not downplaying it, I'm just trying to clarify. At this point I don't understand what you want well enough to answer the question. |
Oldes 24-May-2009 [14373] | I don't understand it either... what should be result of your example code? |
Steeve 24-May-2009 [14374] | i think he wants AT working like COPY/PART (the index could be an integer or a serie aswell) |
BrianH 24-May-2009 [14375] | Well, if the index is a series offset, even a calculated one, then you can already have a reference to that offset without the AT. |
Steeve 24-May-2009 [14376x2] | It makes sense if the 2 series are differents. |
but i agree, i don't see so much use cases for that. | |
Paul 24-May-2009 [14378] | >> series == [1 2 3 4 5 6 7 8 9 10] >> series: at series back tail series >> series: [10] |
BrianH 24-May-2009 [14379] | >> series == [1 2 3 4 5 6 7 8 9 10] >> series: back tail series == [10] The AT is implied by TAIL, and then again by BACK. |
Paul 24-May-2009 [14380x2] | yeah only example I can think of. |
I had it written down from something I had been working on. Go ahead and resolve the ticket if you like - if I come across the problem that resulted in my notes then we can revisit it. | |
BrianH 24-May-2009 [14382] | An example where you are trying to go to the same position of another series would be more useful, since that would mean removing an INDEX? function instead of adding an AT function. |
Paul 24-May-2009 [14383] | Yeah in my notes I have "no copy'" so something I was involved with wanted the fucntionality without copy. |
BrianH 24-May-2009 [14384] | Interesting. No copying is going on here, just references passed around. |
Paul 24-May-2009 [14385x3] | Ahhh, just AT series back tail series. |
so in other words the following: at series back tail series The assingment is implied. | |
no need to set series: at series back tail series. But instead the at command is manipulating the series directly for the navigation arguments. | |
Steeve 24-May-2009 [14388] | Wait... Are you Paul ? really ? |
Paul 24-May-2009 [14389] | Yes Steeve. |
BrianH 24-May-2009 [14390] | No, the at series is implied. The assignment is also implied for ports in R3 though. |
Paul 24-May-2009 [14391x4] | Never left. |
Do you get what I'm saying Brian? | |
not explaining it well I don't think. | |
I got two conversations going on - one here and another with Graham on his server. | |
BrianH 24-May-2009 [14395] | I get what you're saying, but AT is still not modifying for series. |
Paul 24-May-2009 [14396] | Yeah I know but in this case if it has a navigational argument I was thinking it should. |
BrianH 24-May-2009 [14397] | Naw, the navigational functions are just functions for series - except ++, -- and FIRST+. They are only modifying for ports. By design :) |
Paul 24-May-2009 [14398] | Can I modify my ticket to better reflect what I was trying to communicate? |
BrianH 24-May-2009 [14399] | Sure. I haven't reviewed it yet in case you wanted to. |
Paul 24-May-2009 [14400] | I will in a few minutes. |
Henrik 26-May-2009 [14401] | Wonderful bugreporting by Ladislav. Thanks. |
Pekr 27-May-2009 [14402] | http://www.rebol.net/r3blogs/0207.html- Should UNSET act as a value? |
BrianH 27-May-2009 [14403x2] | (continued from !CureCode) When the time comes, the Parse Proposals will need to be reorganized so that there are separate sections for general operatioons, and for the operations that are specific to blocks, strings, binaries, ports. At the very least, there needs to be good binary pattern recogntion operations. |
Having the copy operation when applied to a binary! return a binary! is an improvement of R3 over R2 already though :) | |
Oldes 27-May-2009 [14405x3] | Steeve, it's not working.. >> str: to-string #{C49BC5A1C48DC599C5BEC3BDC3A1C3ADC3A9313278} == "ešcržýáíé12x" >> parse str [some [copy tmp 1 skip (probe tmp)]] c ž á é 2 x == true |
(you will not see correct chars here probably) | |
but you can see, that the skip is not working as expected. | |
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