19.04.2016, 22:11, "Anders Carlsson" <ander...@apple.com>: >> On Apr 19, 2016, at 12:09 PM, Konstantin Tokarev <annu...@yandex.ru> wrote: >> >> 19.04.2016, 21:38, "Anders Carlsson" <ander...@apple.com>: >>> I’d like us to switch over to using C++14 in WebKit2 so we can get the new >>> generalized lambda capture (https://isocpp.org/files/papers/N3648.html), so >>> we can capture move-only types in lambdas. According to >>> https://gcc.gnu.org/projects/cxx-status.html that would require GCC 4.9. >> >> This code compiles fine with GCC 4.8 with -std=c++1y flag: >> >> auto f(std::unique_ptr<int> ptr) >> { >> [value = std::move(ptr)] {return *value;}; >> } > > GCC 4.8 has “partial” support, which may or may not be OK for our purposes. > I’d rather be safe than sorry.
From https://gcc.gnu.org/gcc-4.9/changes.html#cxx: " G++ supports C++1y lambda capture initializers: [x = 42]{ ... }; Actually, they have been accepted since GCC 4.5, but now the compiler doesn't warn about them with -std=c++1y, and supports parenthesized and brace-enclosed initializers as well. " So it states pretty clearly what is supported only since 4.9 > > - Anders -- Regards, Konstantin _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-dev
