Re: [boost] is_range metafunction

AMDG Mathias Gaunard wrote:

This concept checking isn't really done at compile-time, so you cannot use its result with SFINAE. That's one of the major drawbacks of the concept checking library.

It is done at compile time. It just gives a compiles/doesn't compile answer rather than a boolean result that can be tested. In Christ, Steven Watanabe