| --- Log opened Sat Jun 06 00:00:10 2020 |
| 00:01 | | Kindamoody|out is now known as Kindamoody |
| 00:06 | < Yossarian> | Distractions to productive and learning thought are a damned shame. |
| 00:20 | <&McMartin> | jerith: 1100 lines of Go became 1500 lines of C, along with some significant reorganization at the outer API level. |
| 00:20 | <&McMartin> | Instead of one program that kept bending into different shapes as I edited it to do different things, it's now a collection of shell scripts. |
| 00:21 | <&McMartin> | The ones that produce PNGs use stb_image_write.h, 1600 lines of code I'm not counting against the program size, which works admirably but also produced much larger PNGs than I wanted. |
| 00:21 | <&McMartin> | So piping those through ImageMagick and pngcrush after the fact solved that. |
| 00:22 | <&McMartin> | I've also added new functionality that was never present in the Golang system, but that was well under 100 lines of additional code including comments. |
| 00:23 | <&McMartin> | Three bugs emerged from the C code that were in some sense not possible in the Go code, including one that produced subtly wrong answers instead of crashing, which is always a bad sign. |
| 00:24 | <&McMartin> | That said, the C code repeats itself far less, except for the PNG generation code that is very heavily copy-pasted and if I were more serious about the application suite I would refactor into some more general operation all of them linked against. |
| 00:26 | <&McMartin> | Also, of course, there is the small matter that the C applications were on the order of 20-50KB each and any given incarnation of the Golang program was 2.5MB. |
| 00:29 | <&McMartin> | There's a few tricks I picked up writing the Go code; mostly getting both versions of polymorphism to kind of work |
| 00:29 | <&McMartin> | And then while writing the better version of that in C I got an idea for how to make Go do that more cleanly but I haven't worked up a toy example of it yet |
| 00:29 | < catalyst> | polymorphism that kind of works describes go's approach really |
| 00:29 | <&McMartin> | But I think I can get "nontrivial abstract superclass". |
| 00:29 | <&McMartin> | Which is a thing I needed for that. |
| 00:30 | <&McMartin> | And in C, that's "you do a tagged union, but the struct part with the tag has more than just the union in it" |
| 00:31 | <&McMartin> | And in Rust, I think that translates too. If I've got a "variant" where all variants are guaranteed to share a value, have a struct that has those fields and then put the variant/enum as an additional field. Then work exclusively with the "containing" struct. |
| 00:34 | < catalyst> | yeah you can construct that as a struct with an enum in it |
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| 11:12 | | * TheWatcher has a very unusual experience when looking at old code |
| 11:14 | <@TheWatcher> | Instead of the more normal "What the fuck was I on when I wrote this?!" I'm finally working out what I was doing here and damn, I should pin a tail on this and call it a weasel. |
| 11:20 | < catalys53> | :D |
| 11:24 | <&Reiver> | Presented without comment https://www.youtube.com/watch?v=4dS6_pX5sTM |
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| --- Log closed Sat Jun 06 13:09:51 2020 |
| --- Log opened Sat Jun 06 13:10:02 2020 |
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| 13:24 | <@TheWatcher> | AAaand now I remember why I hit a brick wall with this code |
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| --- Log closed Sun Jun 07 00:00:56 2020 |