mpark/variant v1.0.1

on GitHub

MPark.Variant is an implementation of C++17 std::variant as a C++14 library.

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

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"