Duration to Decimal Total

[Dennis]

On Wednesday, 6 November 2019 at 19:13:46 UTC, Jonathan Levi 
wrote:
> I would think a function that this would be appropriate to 
> belong in the module.  Am I missing it?  Or, how would you 
> recommend calculating it?

The author of the module has explained before that this is very 
intentional:
https://forum.dlang.org/post/mailman.3711.1453121204.22025.digitalmars-d-learn@puremagic.com