Re: Understanding Safety of Function Pointers vs. Addresses of Functions

[jmh530 via Digitalmars-d-learn]

On Wednesday, 8 July 2015 at 18:31:00 UTC, Steven Schveighoffer 
wrote:
You can use a function lambda:

auto fp = (real a) => cos(a);
Note, I had to put (real a) even though I would have expected 
"a => cos(a)" to work.

-Steve

Interesting. You have to put real because there is also a float 
and double version of cos.