Den tors 19 jan. 2023 13:34Giuseppe D'Angelo via Development < development@qt-project.org> skrev:
> Il 19/01/23 10:27, Tor Arne Vestbø ha scritto: > >> All the contrary, do NOT do that, as it results in 200+ lines unnamed > lambdas. Strongly prefer named slots. Keep the lambdas short and to the > point. Do not use unnamed lambdas. > > No, strongly prefer lambdas if they are within a reasonable size. No-one > is arguing for 200+ line lambdas. > > The reason for such a harsh rule is that "reasonable size" tends to go > out of control very quickly. Is 10 lines too much? Maybe 15? Giving it a > fixed size opens up the door to a sorites paradox. The point is that > when you write the lambda the first time, it'll be completely obvious > what it does to you, even if it's long. You'll even avoid giving it a > name and connect straight to it, as it makes "perfect sense", in the > context of the code surrounding the lambda. > > But on the long run, this makes the code worse to read and understand. > No one will understand what the lambda is _meant_ to do without > analyzing the body of the lambda, line by line (cf.: a named > lambda/slot, where a proper name tells you everything). And reasoning on > the code surrounding the lambda is also much harder as it's intermingled > with the lambda itself. > > If anything: the fact that this is seen as _questionable_ and people > disagree on it should be a good indication that examples shouldn't do > it, as examples shouldn't feature _questionable_ code styles. > Agree. Code base I'm working on now is starting to get infested with "swollen" lambdas. Happens easier than you think. Elvis > My 2 c, > -- > Giuseppe D'Angelo | giuseppe.dang...@kdab.com | Senior Software Engineer > KDAB (France) S.A.S., a KDAB Group company > Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com > KDAB - The Qt, C++ and OpenGL Experts > > _______________________________________________ > Development mailing list > Development@qt-project.org > https://lists.qt-project.org/listinfo/development >
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