Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.programming > #3536
| From | Victor Porton <porton@narod.ru> |
|---|---|
| Newsgroups | comp.programming |
| Subject | Re: Generating multi-level associative arrays |
| Followup-To | comp.programming |
| Date | 2013-06-23 18:06 +0300 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <kq72u1$jc4$1@speranza.aioe.org> (permalink) |
| References | <kq4ps2$ds$1@speranza.aioe.org> <kq67tn$1k3$1@dont-email.me> <kq6ouc$mpp$1@speranza.aioe.org> <kq72c0$v1k$1@dont-email.me> |
Followups directed to: comp.programming
Rui Maciel wrote: > Victor Porton wrote: > >> Rui Maciel wrote: >> >>> Victor Porton wrote: >>> >>>> But what is the best way to do this if we want a MULTILEVEL associative >>>> array? (indexed by first key "a", then by key "b", etc.) >>>> >>>> I want to discuss the most elegant, short, and practical solution for >>>> this kind of problems. >>> >>> I don't know if it's the most elegant, but if you wish to have multiple >>> keys map to a value then you can resort to a tuple containing both keys >>> as your map's key. >>> >>> That approach is very common. For example, with the "dictionary of >>> keys" matrix data structure, the matrix elements are stored in a >>> key:value pair whose key is a (row, column) tuple. >> >> It seems you have misunderstood me. I ask about forming a *multilevel* >> associative array like: >> >> [1:[2:[[a:1, b:2, c:3],...]]] >> >> where "1" a value of the key "a", "2" is a value of the key "b", etc. >> > > What do you mean by "multi-level"? For example, from your example, by > multi- level do you mean that in order to access the value in the a:1 key > value pair, the map goes something like: > > example_map[1][2][a] == 1 ? Yes, well almost: example_map[1][2] (without [a]) -- Victor Porton - http://portonvictor.org
Back to comp.programming | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Generating multi-level associative arrays Victor Porton <porton@narod.ru> - 2013-06-22 21:19 +0300
Re: Generating multi-level associative arrays Rui Maciel <rui.maciel@gmail.com> - 2013-06-23 08:30 +0100
Re: Generating multi-level associative arrays Victor Porton <porton@narod.ru> - 2013-06-23 15:16 +0300
Re: Generating multi-level associative arrays Rui Maciel <rui.maciel@gmail.com> - 2013-06-23 16:02 +0100
Re: Generating multi-level associative arrays Victor Porton <porton@narod.ru> - 2013-06-23 18:06 +0300
Re: Generating multi-level associative arrays Rui Maciel <rui.maciel@gmail.com> - 2013-06-23 18:52 +0100
Re: Generating multi-level associative arrays Victor Porton <porton@narod.ru> - 2013-06-24 14:52 +0300
Re: Generating multi-level associative arrays Victor Porton <porton@narod.ru> - 2013-06-24 14:53 +0300
Solved: Generating multi-level associative arrays Victor Porton <porton@narod.ru> - 2013-06-24 20:36 +0300
csiph-web