C style 'static' functions

[Gary Willoughby via Digitalmars-d-learn]

On Wednesday, 19 July 2017 at 07:22:48 UTC, John Burton wrote:
> In C++ I could use static or an anonymous namespace for 
> implementation functions, but there doesn't seem to be anything 
> similar in D.
> Is there any way to achieve what I want in D (Private 
> implementation functions)

Try the package keyword: 
https://dlang.org/spec/attribute.html#visibility_attributes