From: Yedidya Feldblum <yfeldblum@fb.com>
Date: Thu, 30 Nov 2017 06:13:39 +0000 (-0800)
Subject: Some fixes for custom conversions of enums
X-Git-Tag: v2017.12.04.00~11
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=commitdiff_plain;h=96ac8f8ff0c9bc9446eede119fdfee0fe7feaba3;hp=96ac8f8ff0c9bc9446eede119fdfee0fe7feaba3

Some fixes for custom conversions of enums

Summary:
[Folly] Some fixes for custom conversions of enums.

Of note, `to` was defined for enum -> all conversions, including enum -> string conversions, but we actually want enum -> string conversions to be done via ADL-discovered toAppend.

Reviewed By: ot

Differential Revision: D6411250

fbshipit-source-id: 852b64309e6adf1c68e5153635cb29632e2d86d4
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