Concepts Get Voted Off The C++0x Island

On Monday, July 13th the C++ standards committee voted "Concepts" out of consideration for C++0x.

First, skepticism regarding the feasibility and usefulness of concepts intensified the antipathy towards this proposal.

Some people expressed concerns about compile-time and runtime overhead. Second, the creators of the Concepts proposal tried desperately to improve and patch Concepts.

The last nail in the coffin was Bjarne Stroustrup's paper "Simplifying the Use of Concepts" from June.

It's a masterpiece in terms of presenting...