Why assert is in the language?

[Steven Schveighoffer]

On Tue, 22 Jun 2010 17:07:02 -0400, Tomek Sowiński <just at ask.me> wrote:

> Yes, why? It could be implemented in object.d in a similar fashion as  
> std.contracts.enforce. Does it do anything special that a library  
> function couldn't?

all calls to assert are removed by the compiler in release mode.  I don't  
think there's a way to implement that via a library (it would be nice  
though!)

-Steve