Nevermind that. Found out that the actual dependency is name as itertools-num.
The extern crate is itertools_num.
Sorry
Sorry. I thought that would be the solution. But I can't seem to import the itertools_num crate.
I wrote my toml file with
> [dependencies]
> itertools="*"
> itertools_num="*"
And used both crates with
> extern crate itertools;
> extern crate itertools_num;
>
> use itertools_num::linspace;