ANNOUNCE: libsigc++ 2.99.2

libsigc++ implements a typesafe callback system for standard C++. It
allows you to define signals and to connect those signals to any
callback function, either global or a member function, regardless of
whether it is static or virtual.

libsigc++ is used by glibmm and gtkmm to wrap Glib and GTK+ signals. It
does not depend on Glib, GTK+, glibmm or gtkmm.

libsigc++-3.0 API is a new API which installs in parallel with
libsigc++-2.0. The API is not significantly different from
but the implementation is far simpler, using variadic templates instead
of generating C++ code from .m4 files.

libsigc++-3.0 requires a compiler with C++14 support.

Home page:

*** Changes

2.99.2 (unstable):

* slots and signal: These should now be declared with the
  syntax, like std::function<>.
  Version 2.9/2.10 of libsigc++-2.0 supports both the old and
  new syntax.
  (Murray Cumming)
* sigc::men_fun(): Take the instance by reference only.

Murray Cumming
murrayc murrayc com

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