Let IO#sync only affect writes, introduce `IO#read_buffering?` and use it in urandom#6304

Merged

sdogruyol merged 1 commit intocrystal-lang:masterfrom asterite:bug/6303-io-sync-buffered-read

Jul 1, 2018

+31-18

Commits on Jun 30, 2018

Let IO#sync only affect writes, introduce IO#read_buffering? and use it in urandom
asterite
committed