mpark/variant v1.1.0

on GitHub

MPark.Variant is an implementation of C++17 std::variant for C++11/14/17.

The implementation is based on my implementation of std::variant for libc++ and is continuously tested against libc++'s std::variant test suite.

New Features

• Support for C++11
• Support for MSVC 2015 / 2017

Bug Fixes

• LWG2857: "{variant,optional,any}::emplace should return the constructed value"
• Implement P0513: "Poisoning the Hash"
• Implement P0599: "noexcept for Hash functions"
• llvm.org/PR31916: "std::visit does not accept visitors which require non-const lvalue references"
• llvm.org/PR33000: "std::visit with zero variants is broken"