> On Oct 8, 2018, at 12:14 PM, Dan Smith <[email protected]> wrote:
>
> - Type-qualified method ref: if you don't pass 'this' to the method, you're
> throwing it away. Static utility methods could be referenced with this form.
> Methods of the current class/supers could be referenced, too, but 'this::foo'
> and 'super::foo' serve the same purpose, if we allow them.
>
> - Expression-qualified method ref: very possibly, the expression preserves
> the information you need from 'this', and passing 'this' to the method would
> be redundant. Hard to think of examples in which a user would want 'this' to
> be passed as a first parameter.
Found a use case:
class Foo implements Comparable<Foo> {
final Comparator<Foo> comp = ...;
int compareTo(Foo arg) = comp::compare;
}
This may turn out to be a pretty important use case...
Where that leaves us is that maybe "try both" is the best strategy.
