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Re: 2022(?).2 beta [message #59346 is a reply to message #59344]

Sun, 18 December 2022 14:48

Lance is currently offline

Lance
Messages: 527
Registered: March 2007

Contributor

Hi Mirek:

Thank you for your attention to this matter.

The following macro will perfectly pacify both GCC and CLANG.

#if __cplusplus > 201703L
#    define CAPTURETHISBYVALUE ,this
#else
#    define CAPTURETHISBYVALUE
#endif

And when using it

void ColorWindow::Paint(Draw& draw)
{
    auto f = [= CAPTURETHISBYVALUE]{ auto v = GetData(); };
    draw.DrawRect(GetSize(), White());
    auto v = f();
        ...
}

It should be easy to add support for MSVC similarly too.

This way, we only care that the U++ library can compiles with std=c++14, std=c++17, std=c++20 or later std. Whether a u++ library user decide to follow the practice so that his/her code is also multiple c++ standards compatible, or simply choose one of the standard to embrace, is not a concern of u++ library developers (like you and Klugier).

The philosophy here is: u++ can choose a stable and well supported c++ standard to embrace, but it should not limit or discourage its users from trying later standard. IMHO, comparing to package-wise c++ standard selection options(it will certainly confuse assist++ if at all doable), this kind of fix in the U++ library level is less painful.

BR,
Lance

PS:

Or probably even easier.

#if __cplusplus > 201703L
#    define CAPBYVALUETHIS =,this
#else
#    define CAPBYVALUETHIS =
#endif

Then do a find in files and replace from uppsrc root, it's almost done. I figure there are <=2 occassioins where [=] are not within a member function thus [=,this] is invalid which need be fixed after the find and replace.

[Updated on: Sun, 18 December 2022 15:30]

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[Message index]

		2022(?).2 beta By: mirek on Sat, 03 December 2022 15:47
		Re: 2022(?).2 beta By: Novo on Sun, 04 December 2022 17:48
		Re: 2022(?).2 beta By: mr_ped on Thu, 08 December 2022 00:54
		Re: 2022(?).2 beta By: mirek on Fri, 09 December 2022 09:56
		Re: 2022(?).2 beta By: Tom1 on Sat, 10 December 2022 19:17
		Re: 2022(?).2 beta By: mirek on Sat, 10 December 2022 23:39
		Re: 2022(?).2 beta By: Tom1 on Sun, 11 December 2022 19:03
		Re: 2022(?).2 beta By: Lance on Sun, 11 December 2022 19:45
		Re: 2022(?).2 beta By: mirek on Sun, 11 December 2022 20:02
		Re: 2022(?).2 beta By: Lance on Sun, 11 December 2022 21:13
		Re: 2022(?).2 beta By: mirek on Sun, 11 December 2022 22:54
		Re: 2022(?).2 beta By: Klugier on Sun, 11 December 2022 23:08
		Re: 2022(?).2 beta By: Lance on Mon, 12 December 2022 00:47
		Re: 2022(?).2 beta By: mirek on Mon, 12 December 2022 10:44
		Re: 2022(?).2 beta By: Lance on Tue, 13 December 2022 03:19
		Re: 2022(?).2 beta By: Lance on Mon, 12 December 2022 00:52
		Re: 2022(?).2 beta By: mirek on Mon, 12 December 2022 22:18
		Re: 2022(?).2 beta By: Lance on Tue, 13 December 2022 03:21
		Re: 2022(?).2 beta By: Tom1 on Tue, 13 December 2022 10:25
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 10:45
		Re: 2022(?).2 beta By: Tom1 on Tue, 13 December 2022 10:56
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 11:08
		Re: 2022(?).2 beta By: Tom1 on Tue, 13 December 2022 11:42
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 11:57
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 11:58
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 13:21
		Re: 2022(?).2 beta By: Tom1 on Tue, 13 December 2022 13:30
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 14:40
		Re: 2022(?).2 beta By: mdelfede on Sun, 18 December 2022 23:03
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 23:14
		Re: 2022(?).2 beta By: Klugier on Sun, 18 December 2022 23:35
		Re: 2022(?).2 beta By: Lance on Mon, 19 December 2022 00:46
		Re: 2022(?).2 beta By: zsolt on Mon, 12 December 2022 12:42
		Re: 2022(?).2 beta By: mirek on Mon, 12 December 2022 12:59
		Re: 2022(?).2 beta By: zsolt on Mon, 12 December 2022 13:24
		Re: 2022(?).2 beta By: mirek on Mon, 12 December 2022 22:17
		Re: 2022(?).2 beta By: zsolt on Tue, 13 December 2022 17:33
		Re: 2022(?).2 beta By: zsolt on Tue, 13 December 2022 17:39
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 17:49
		Re: 2022(?).2 beta By: zsolt on Tue, 13 December 2022 18:17
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 18:32
		Re: 2022(?).2 beta By: zsolt on Tue, 13 December 2022 19:01
		Re: 2022(?).2 beta By: mirek on Tue, 13 December 2022 19:12
		Re: 2022(?).2 beta By: zsolt on Tue, 13 December 2022 20:01
		Re: 2022(?).2 beta By: mirek on Wed, 14 December 2022 14:05
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 05:07
		Re: 2022(?).2 beta By: mirek on Sun, 18 December 2022 13:26
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 14:48
		Re: 2022(?).2 beta By: Klugier on Sun, 18 December 2022 15:41
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 18:50
		Re: 2022(?).2 beta By: mirek on Sun, 18 December 2022 19:55
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 20:08
		Re: 2022(?).2 beta By: Klugier on Sun, 18 December 2022 21:54
		Re: 2022(?).2 beta By: zsolt on Sun, 18 December 2022 22:33
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 22:55
		Re: 2022(?).2 beta By: zsolt on Sun, 18 December 2022 23:29
		Re: 2022(?).2 beta By: Lance on Mon, 19 December 2022 00:41
		Re: 2022(?).2 beta By: mirek on Mon, 19 December 2022 10:08
		Re: 2022(?).2 beta By: Lance on Mon, 19 December 2022 18:43
		Re: 2022(?).2 beta By: Lance on Mon, 19 December 2022 19:10
		Re: 2022(?).2 beta By: mirek on Mon, 19 December 2022 20:22
		Re: 2022(?).2 beta By: Lance on Mon, 19 December 2022 23:14
		Re: 2022(?).2 beta By: mirek on Mon, 19 December 2022 23:35
		Re: 2022(?).2 beta By: Lance on Mon, 19 December 2022 23:54
		Re: 2022(?).2 beta By: Novo on Tue, 20 December 2022 00:19
		Re: 2022(?).2 beta By: Lance on Tue, 20 December 2022 00:48
		Re: 2022(?).2 beta By: Novo on Mon, 19 December 2022 05:36
		Re: 2022(?).2 beta By: mirek on Mon, 19 December 2022 00:15
		Re: 2022(?).2 beta By: Lance on Sun, 18 December 2022 22:35
		Re: 2022(?).2 beta By: mirek on Mon, 19 December 2022 00:18
		Re: 2022(?).2 beta By: zsolt on Sun, 18 December 2022 16:08
		Re: 2022(?).2 beta By: pvictor on Wed, 14 December 2022 12:56
		Re: 2022(?).2 beta By: mirek on Wed, 14 December 2022 14:04
		Re: 2022(?).2 beta By: mr_ped on Sun, 18 December 2022 19:46
		Re: 2022(?).2 beta By: mirek on Sun, 18 December 2022 19:53
		Re: 2022(?).2 beta By: mirek on Mon, 19 December 2022 12:20

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