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Subject: Re: [std-proposals] Make specifying all necessary concepts mandatory
From: Lyberta (lyberta_at_[hidden])
Date: 2020-01-04 10:52:00

Bo Persson via Std-Proposals:
> The main(?) problem being that if one function added a new possible
> exception, every function calling it - directly or indirectly - would
> have to be modified as well.
> Will we not get the same effect with this new feature?

I'm pretty sure definition checking was in C++0x with full blown
concepts as Alex Stepanov wanted. But it was taken out and C++20 got
only Concepts "Lite". So I assume there were some difficulties
implementing it.

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