Stream generators

[Remi Forax]

On 11/30/2012 06:21 PM, Brian Goetz wrote:
> We've got a few generators for infinite streams already implemented. 
> For object streams:

some wildcards are missing.

>
>   // produces seed, f(seed), f(f(seed)), ...
>   <T> iterate(T seed, UnaryOperator<T> f)
>
>   // infinite constant sequence
>   <T> repeat(T t)
>
>   // finite constant sequence
>   <T> repeat(int n, T t)
>
>   // infinite sequence driven by a supplier function
>   <T> repeatedly(Supplier<T> f)

should be a Supplier(? extends T>.

>
>   // finite sequence driven by a supplier function
>   <T> repeatedly(int n, Supplier<T> f)
same as above.

>
>   // infinitely cycle through an Iterable
>   <T> cycle(Iterable<T> iterable)

should be an Iterable<? extends T>.

>
> For integer streams, the above, plus
>
>   range(int from, int to)
>   range(int from, int to, int step)

Rémi