For historical interest, compare an early proposal: http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2006/n1958.pdf http://www.open-std.org/JTC1/SC22/WG21/doc

For historical interest, compare an early proposal: http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2006/n1958.pdf http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2006/n195...