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From Neil Conway <>
Subject Re: Review Request 44191: Avoided external linkage for master constants.
Date Fri, 11 Mar 2016 18:31:50 GMT

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(Updated March 11, 2016, 6:31 p.m.)

Review request for mesos and Ben Mahler.

Bugs: MESOS-4790

Repository: mesos


We were only using external linkage to workaround bugs in ancient
(4.1.x) of GCC. We can also mark most of these constants `constexpr`,
which should be both slightly more efficient (in theory) and
safer (see MESOS-1023).

Diffs (updated)

  src/CMakeLists.txt e9f7c3a447aad79ab19d53879888a413a587408f 
  src/ b24f0f58fa188c16770fe6a3c23ec06262cb0955 
  src/master/constants.hpp 2c3299bc1aaa0888f7e47a71965c56ada8ecc21f 
  src/master/constants.cpp e316f9772d880b694faeee6d001dc56bc088c118 



make check

Note that I left a few string constants as `const std::string`; you might arguably want them
to be `constexpr char[]` (per Google Style Guide).


Neil Conway

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