Do non-member functions improve encapsulation in D?

[Andrej Mitrovic via Digitalmars-d]

On 4/21/14, Steven Schveighoffer via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> Reasons off the top of my head not to make them module functions

Here's another one, the bug report is about enums but it showcases an
issue with module-scoped functions taking struct parameters (in short:
function hijacking protection makes defining module-scoped functions
problematic):

https://issues.dlang.org/show_bug.cgi?id=10846