value constructor is sfinae-friendly

This commit is contained in:
Andrzej Krzemienski
2016-02-19 18:41:42 +01:00
parent 5ffa3fd2f6
commit f6e09fbf9c
6 changed files with 73 additions and 7 deletions

View File

@ -20,6 +20,7 @@
* you can swap optional references: it is like swapping pointers: shalow, underlying objects are not affected,
* optional references to abstract types work.
* Documented nested typedefs ([@https://svn.boost.org/trac/boost/ticket/5193 Trac #5193]).
* Made the optional value constructor SFINAE-friendly, which fixes [@https://svn.boost.org/trac/boost/ticket/12002 Trac #12002].
[heading Boost Release 1.60]