How do you guys debug large programs?

[Timon Gehr]

On 05/27/2013 09:55 PM, Gary Willoughby wrote:
> This is quite an open ended question but i wondered how you guys debug
> your D programs (i'm talking about stepping through code, setting
> breakpoints, etc). The lack of nice IDE's with integrated debuggers is
> worrying when working with D but up until now i haven't need one.
>
> Now i've started to write much larger programs, i'm wondering which
> debuggers do you use? Especially using Linux.

writeln, assert, gdb.