[Development] (Bikeshed, pedantic) East constexpr vs West constexpr

[Thiago Macieira]

Which one are we?

That is,
  constexpr inline foobar
or
  inline constexpr foobar

I prefer the former. And then there's the question of the ordering when static 
is present too.

Data: 

we prefer to write "static inline" at 9:1
$ git sgrep 'static inline' \* '!*/3rdparty/*' | wc -l
4199
$ git sgrep 'inline static' \* '!*/3rdparty/*' | wc -l
464

and we prefer "static constexpr" at 18:1:
$ git sgrep 'static constexpr' \* '!*/3rdparty/*' | wc -l
3344
$ git sgrep 'constexpr static' \* '!*/3rdparty/*' | wc -l
181

We have a 4:1 preference to constexpr inline:
$ git sgrep 'constexpr inline' \* '!*/3rdparty/*' | wc -l
1273
$ git sgrep 'inline constexpr' \* '!*/3rdparty/*' | wc -l
341

And there are a couple of places using all three:
$ git sgrep 'static constexpr inline' \* '!*/3rdparty/*' | wc -l
57
$ git sgrep 'static inline constexpr' \* '!*/3rdparty/*' | wc -l
53
$ git sgrep 'inline static constexpr' \* '!*/3rdparty/*' | wc -l
16
$ git sgrep 'inline constexpr static' \* '!*/3rdparty/*' | wc -l
0
$ git sgrep 'constexpr inline static' \* '!*/3rdparty/*' | wc -l
0
$ git sgrep 'constexpr static inline' \* '!*/3rdparty/*' | wc -l
13

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Principal Engineer - Intel DCAI Platform & System Engineering
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