Diff between function and delegate

[jmh530 via Digitalmars-d-learn]

On Monday, 27 June 2016 at 19:59:05 UTC, Mathias Lang wrote:
>
> Delegate don't GC allocate when:
> - You take a pointer to a member function
> - The function accept a `scope` delegate and you pass a literal
> - You use `scope myDG = (Params) { body... }`

I have a somewhat related question.

Why use a delegate for a closure if you can restructure the 
function to use partial (from std.functional) instead? The 
delegate will use GC, but I don't think partial would (but not 
entirely sure).