Re: Why is std.algorithm so complicated to use?

[Daniel Murphy]

"Jacob Carlborg" <d...@me.com> wrote in message 
news:jthlpf$2pnb$1...@digitalmars.com...
>
> Can't "map" and "filter" return a random-access range if that's what they 
> receive?
>
map can, and does.
filter cannot, because it doesn't know which element is number 4 until it 
knows if element 3 is included or not.