C++ const expression are not that const after all

[Walter Bright via Digitalmars-d]

On 4/28/2015 8:16 AM, bearophile wrote:
> Luc Bourhis:
>
>> The author of that blog seems to see his finding in a
>> positive light actually. As it makes it possible to write
>> more powerful template metaprograms!
>
> One of the essences of modern languages is to restrict the power of the
> programmer in specific parts, to reduce unwanted interactions and make
> complexity more manageable. His finding seems a design mistake.

Most languages suffer from quirky, unexpected behaviors from interactions 
between otherwise sensible features. The awful thing, though, is programmers 
discover these things and then build a store around them, making it impossible 
to fix those quirks.