person:ashley hedberg

CppCast Episode 175: San Diego LEWG Trip Report with Ashley Hedberg
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Episode 175 of CppCast the only podcast for C++ developers by C++ developers. In this episode Rob and Jason are joined by Ashley Hedberg to discuss the San Diego C++ Committee meeting from her perspective on the Library Evolution Working Group.

CppCast Episode 175: San Diego LEWG Trip Report with Ashley Hedberg by Rob Irving and Jason Turner

About the interviewee:

Ashley Hedberg has been working at Google for the last three years. She currently works on Abseil, an open-source collection of C++ library code designed to augment the C++ standard library. San Diego was her second WG21 (...)

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San Diego LEWG Trip Report with Ashley Hedberg
▻http://cppcast.libsyn.com/san-diego-lewg-trip-report-with-ashley-hedberg

Rob and Jason are joined by Ashley Hedberg to discuss the San Diego C++ Committee meeting from her perspective on the Library Evolution Working Group. Ashley Hedberg has been working at Google for the last three years. She currently works on Abseil, an open-source collection of C++ library code designed to augment the C++ standard library. San Diego was her second WG21 meeting. News How to Write a Good Proposal to C++ TL:DR for #CppSan CppCon Videos and Lightning Talks Ashley Hedberg Ashley Hedberg Ashley’s GitHub Links 2018 San Diego ISO C++ Committee Trip Report C++ Current Status Abseil #include Sponsors Download PVS-Studio We Checked the Android Source Code by PVS-Studio, or Nothing is Perfect JetBrains Hosts @robwirving @lefticus 

▻http://traffic.libsyn.com/cppcast/cppcast-175.mp3?dest-id=282890

Tip of the Week #153: Don’t use using-directives
▻https://abseil.io/tips/153

Originally posted as TotW #153 on July 17, 2018

by Roman Perepelitsa (roman.perepelitsa@gmail.com) and Ashley Hedberg (ahedberg@google.com)

I view using-directives as time-bombs, both for the parties that deal in them and the language system. – Ashley Hedberg with apologies to Warren Buffett

tl;dr

Using-directives (using namespace foo) are dangerous enough to be banned by the Google style guide. Don’t use them in code that will ever need to be upgraded.

These are not to be confused with using-declarations (using ::foo::SomeName), which are permitted in *.cc files.

Using-directives at Function Scope

What do you think this code does?

namespace totw namespace example namespace

TEST(MyTest, UsesUsingDirectives) using namespace ::testing; Sequence seq; // ::testing::Sequence (...)