IRC logs for #openttd on OFTC at 2022-03-03
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17:07:49 <andythenorth> are hidpi external monitors a thing yet?
17:08:10 <andythenorth> if I plug my external display in, it's so lo-res it's not worth bothering
17:09:00 <FLHerne> Yes, there are smallish 4k and 5k monitors
17:10:16 <FLHerne> Dell have an 8K (7,680 x 4,320) 32" display
17:11:55 <andythenorth> I only need it occasionally for doing web design
17:14:35 <Flygon> I want that Dell monitor so bad
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17:19:56 <TrueBrain> where is frosch123 .. I have a C++ challenge ... https://godbolt.org/z/Th6YT1G3x :P I want to not have unique_ptr two times, and not have the make_unique at the caller (but I would rather have it in the class) .. but my C++-skills fail me :P
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18:25:16 <frosch123> TrueBrain: no idea what you want to do, looks like pImpl somewhat... if you really want to avoid the std::make_unique, then forwards the constructor args to a factory function: https://godbolt.org/z/Er67zcWf6
18:26:05 <TrueBrain> Forward of args.. didn't think of that.. that ain't half bad
18:26:21 <TrueBrain> At least reduces duplication in one place :D
18:26:33 <frosch123> note: you cannot template the constructor, because that only works if all template-args are deducible, which is not the case for T
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18:27:03 <frosch123> template constructors are hell, never use them, always prefer static methods :)
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18:27:33 <TrueBrain> So I found out .... :p
18:27:38 <TrueBrain> Kept hoping it was just me :(
18:28:16 <frosch123> there is just no new T<class-template-args>::T<constructor-template-args>() :)
18:28:50 <frosch123> i once made the mistake to use a templated constructor, and it ran well because everythign could be deduced
18:28:57 <TrueBrain> And also no way to say: this member function doesn't need the template
18:29:22 <frosch123> until there was a case where that did no longer work... and explicit template parameters were needed... so i had to API break
18:30:00 <frosch123> TrueBrain: in the example above you can also make the real constructor private, if you only want to allow the "create" call
18:30:38 <TrueBrain> Yeah .. was planning to do so :D
18:30:59 <frosch123> anyway, i spent half the day debugging boost::python in some legacy code :) i recomment pybind11 for all new code
18:31:32 <TrueBrain> Today I also found out std::condition_variable uses system_clock .. lovely if the clock gets put backwards ...
18:31:56 <frosch123> that sounds like something that is compiler specific :p
18:32:08 <TrueBrain> At least GCC does it
18:32:19 <TrueBrain> Rest becomes irrelevant :p
18:32:54 <TrueBrain> But it is so stupid ...
18:38:04 <TrueBrain> Ah .. stuck on gcc9 ..
18:38:36 <frosch123> the issue was open less than 10 years :)
18:40:45 <Rubidium> frosch123: are you sure? They might have messed with the clock for that ticket ;)
18:42:43 <frosch123> i don't know. as far as i know: the universe and this irc log were created 5 seconds ago by the invisible pink unicorn
18:46:00 <DorpsGek> - Update: Translations from eints (by translators)
18:47:04 <TrueBrain> what also was fun on this fine day, was that someone decided to have a throw in a dtor
18:47:12 <TrueBrain> which meant there were a lot of noexcept(false)
18:47:25 <TrueBrain> which other developers were like: owh, that means the dtor doesn't throw exceptions, let me copy/paste that to even more places!
18:47:34 <TrueBrain> throwing in dtors ...
18:48:19 <frosch123> did you throw stones in return?
18:49:18 <TrueBrain> do a lot of facepalms work too?
18:49:26 <Rubidium> std::bad_exception maybe? ;)
18:49:58 <TrueBrain> had to read up what actually happens when you throw in dtors, was fun
18:50:15 <TrueBrain> forgot how terrible the stack unwinding was :P
18:50:31 <Rubidium> throwing in assignment is already a nightmare
18:50:57 <TrueBrain> so I am now happy to report there are a lot more assert(false) in the code :P
18:51:51 <Rubidium> but... maybe C++23 with std::expected and then just disabling exceptions? After all, if you're in embedded you rather not have exceptions and dynamic casts/RTTI for the sake of space ;)
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20:58:27 <frosch123> hmm, ottd reaches adult age on sunday, what will it do then
20:59:23 <Cthulhux> drink a LOT of booze.
21:08:26 <andythenorth> USA adult age, or europe?
21:12:00 <frosch123> ottd is pretty european
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