June 16-21, Sofia, Bulgaria
By Blog Staff | Jun 30, 2017 09:04 PM | Tags: None
A new WG21 paper is available. If you are not a committee member, please use the comments section below or the std-proposals forum for public discussion.
Document number: N4676
Date: 2017-06-30
WG21 2017-06-30 Telecon Minutes
by Jonathan Wakely
By Adrien Hamelin | Jun 30, 2017 03:14 PM | Tags: community c++11
A new language?
The rise of the new language MC++
by CppDepend Team
From the article:
During the last few years we talk about the “C++ Renaissance”. We have to admit that Microsoft was a major actor of this movement, I remember this video where Craig Symonds and Mohsen Agsen talked about it.
In 2011 Microsoft announced in many articles the come back of C++, and Microsoft C++ experts like Herb Sutter did many conferences to explain why C++ is back and mostly recommend the use of Modern C++. In the same time the standard C++11 was approved and we begin to talk about C++ as new language...
By Adrien Hamelin | Jun 30, 2017 03:03 PM | Tags: intermediate c++17
What's new in C++17?
C++17 in details: Templates
by Bartlomiej Filipek
From the article:
Do you work a lot with templates and meta-programming?
With C++17 we get a few nice improvements: some are quite small, but also there are notable features as well! All in all, the additions should significantly improve writing template code.Today I wrote about:
- Template argument deduction for class templates
- template<auto>
- Fold expressions
- constexpr if
- Plus some smaller, detailed improvements/fixes
BTW: if you’re really brave you can still use concepts! They are merged into GCC so you can play with them even before they are finally published.
By Adrien Hamelin | Jun 30, 2017 02:57 PM | Tags: performance experimental community
Have you registered for CppCon 2017 in September? Don’t delay – Registration is open now.
While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2016 for you to enjoy. Here is today’s feature:
Deploying C++ modules to 100s of millions of lines of code
by Manuel Klimek
Summary of the talk:
Compile times are a pain point for C++ programmers all over the world. Google is no exception.. We have a single unified codebase with hundreds of millions of lines of C++ code, all of it built from source. As the size of the codebase and the depth of interrelated interfaces exposed through textually included headers grew, the scaling of compiles became a critical issue.
Years ago we started working to build technology in the Clang compiler that could help scale builds more effectively than textual inclusion. This is the core of C++ Modules: moving away from the model of textual inclusion. We also started preparing our codebase to migrate to this technology en masse, and through a highly automated process. It's been a long time and a tremendous effort, but we'd like to share where we are as well as what comes next.
In this talk, we will outline the core C++ Modules technology in Clang. This is just raw technology at this stage, not an integrated part of the C++ programming language. That part is being worked on by a large group of people in the ISO C++ standards committee. But we want to share how Google is using this raw technology internally to make today's C++ compiles faster, what it took to get there, and how you too can take advantage of these features. We will cover everything from the details of migrating a codebase of this size to use a novel compilation model to the ramifications for both local and distributed build systems. We hope to give insight into the kinds of benefits that technology like C++ Modules can bring to a large scale C++ development environment.
By robwirving | Jun 30, 2017 07:03 AM | Tags: None
Episode 107 of CppCast the only podcast for C++ developers by C++ developers. In this episode Rob and Jason are joined by Howard Hinnant from Ripple to talk about <chrono>, his date & time library (and proposal) and his work on move semantics.
CppCast Episode 107: <chrono> and move semantics with Howard Hinnant
by Rob Irving and Jason Turner
About the interviewee:
Howard Hinnant is a Senior Software Engineer at Ripple and the lead author of several C++11/14 features including: move semantics, unique_ptr, chrono, condition_variable_any, shared_mutex and std::lock. He is also the lead author of two LLVM projects libc++ and libc++abi.
By Mantosh Kumar | Jun 29, 2017 05:05 PM | Tags: community advanced
The series continues.
Making things do stuff – Part 6
by Glennan Carnie
From the article:
As code designers we tend to eschew specific ‘stove-pipe’ code in favour of reusable code elements. Up until now we’ve been coding some very specific examples so it’s probably worth looking at some more generic solutions.
In this article we’ll look at building generic register manipulation classes (or, as one commenter referred to them, ‘register proxy’ classes). Here, we’re really exploring code design rather than coding ‘mechanics’. I’m using this to explore some factors like the balance between efficiency, performance and flexibility...
By Marco Arena | Jun 29, 2017 01:33 AM | Tags: visual c++
The Microsoft Visual C++ toolset offers numerous features that help you write secure, correct code:
Security Features in Microsoft Visual C++
by Andrew Pardoe
From the article:
Secure code starts before you write your first line of code. The compiler toolset can’t show you design defects that might lead to security exploits...
By Mantosh Kumar | Jun 28, 2017 04:57 PM | Tags: community advanced
The series continues.
Making things do stuff – Part 5
by Glennan Carnie
From the article:
We’ve been looking at using C++ to manipulate I/O hardware. Previously, we’ve looked at the fundamentals of hardware manipulation; and how to encapsulate these mechanisms into classes. If you’ve not been following along I’d recommend reading the previous articles first before continuing.
This time we’ll explore a lesser-known feature of C++ and its application in hardware manipulation – placement new...
By Adrien Hamelin | Jun 28, 2017 08:56 AM | Tags: performance c++11
Have you registered for CppCon 2017 in September? Don’t delay – Registration is open now.
While we wait for this year’s event, we’re featuring videos of some of the 100+ talks from CppCon 2016 for you to enjoy. Here is today’s feature:
AAAARGH!? Adopting Almost Always Auto Reinforces Good Habits!?
by Andy Bond
Summary of the talk:
Prominent members of the C++ community are advocating the "almost-always-auto" idiom, but there are understandable concerns from many about its implications. This case study will demonstrate how it may be applied in different situations, suggest ways to avoid performance penalties, introduce algorithms to minimize the "almost" part, and discuss the overall impact.
By Andrey Karpov | Jun 28, 2017 01:16 AM | Tags: tools static code analyzer errors devops
PVS-Studio is a static code analyzer that detects errors and potential vulnerabilities in the source code of programs written in C/C++/C#. Version 6.16 has obtained 11 new general analysis diagnostics.
PVS-Studio 6.16 released
by Andrey Karpov
About the release:
In a sense, this is a milestone for us. The thing is that we cannot add more numbers of general analysis warnings, otherwise they will concur with the numbers of micro-optimization diagnostics. It seemed to us that the list of 300 diagnostics was endless, but now it is over and we got to the point of 800, where we have micro-optimization diagnostics. In the next release we plan to resume numbering the general-analysis warnings with V1000. Download and enjoy the new version of PVS-Studio now by clicking here.