How to make invariant switchable

[Jason House]

Qian Xu Wrote:

> Release and Debug are two configuration sets. 
> 
>  FEATURE       | DEBUG | RELEASE
> ---------------+-------+---------
>  assertion     |       |
> ---------------+-------+---------
>  invariant     |       |
> ---------------+-------+---------
>  debug symbols |       |
> ---------------+-------+---------
>  optimization  |       |
> ---------------+-------+---------
>  inline        |       |
> ---------------+-------+---------
>  more...       |       |
> 
> 
> It is also inconvient to switch "invariant" (or debug features) with a
> universal "-release" flag. 

No.

They're not as universal as you think.
-release disables invariant, array bounds checking, etc...
-debug enables debug statements
-inline enables inlining
-O performs optimizations
-g enables debug symbols
-unittest enables unit tests

These posts should be on d.learn...