Google Style Guide “ is an unapproved C++1

2019-02-22 12:51发布

问题:

Why is <chrono> an unapproved header in the Google CPP Guide? I can't find any direct mention of this in the Google CPP Style Guide. This point mentions portability issues with <ratio> and <cfenv> but nothing about <chrono>.

回答1:

According to C++11 use in Chromium The reason is

Duplicated Time APIs in base/. Keep using the base/ classes.