foreach loop

[TheFlyingFiddle via Digitalmars-d-learn]

On Tuesday, 3 November 2015 at 15:29:31 UTC, Namal wrote:
> well I tried this that way, but my count stays 0, same as if I 
> do it in an int function with a return though I clearly have 
> some false elements in the arr.

You could also use count: 
http://dlang.org/phobos/std_algorithm_searching.html#count

return arr.count!(x => !x);