Add Tearable, for concurrently-modified non-atomic objects.
authorDavid Goldblatt <davidgoldblatt@fb.com>
Sat, 13 Jan 2018 07:57:16 +0000 (23:57 -0800)
committerFacebook Github Bot <facebook-github-bot@users.noreply.github.com>
Sat, 13 Jan 2018 08:05:04 +0000 (00:05 -0800)
Summary:
This adds the Tearable class template, which holds storage for an
arbitrarily-sized object that can be concurrently read or written without any
external synchronization.

Reviewed By: yfeldblum, djwatson

Differential Revision: D6422334

fbshipit-source-id: ee3853bbd393ac8e30dca6439c61606cc5495f92


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