Fixing More Warnings in DMD?

[bearophile via Digitalmars-d]

> Some of those warnings are not generated by D compiler (like 
> unused variables and labels, unused arguments, signed/unsigned 
> comparisons, etc), so better to catch and fix them before 
> porting the code to D.

In D I'd like optional warnings for unused 
variables/labels/arguments/last assignments, and for 
signed-unsigned comparisons. Such basic things are not a job for 
Dscanner.

Bye,
bearophile