[libc++][NFC] Improve documentation of the various random_device implementations
authorLouis Dionne <ldionne.2@gmail.com>
Tue, 21 Dec 2021 20:31:18 +0000 (15:31 -0500)
committerLouis Dionne <ldionne.2@gmail.com>
Tue, 21 Dec 2021 20:32:09 +0000 (15:32 -0500)
commit346ef5e5879e9143fe008c35c3dd6ea3c402634a
tree2d6340a4163983887ce654d6c35bb2dd022c6494
parent1674d9b6b2da914619c7c197336bb74f7988cf38
[libc++][NFC] Improve documentation of the various random_device implementations

Also, move the setting of the macro closer to its point of use, which
also has the benefit of uncluttering `__config`.
libcxx/include/__config
libcxx/include/__random/random_device.h