Just a matter of parentheses

[bearophile]

This works in DMD 2.059, but it doesn't in dmd 2.060beta:

import std.algorithm: sort;
void main() {
    int[int] foo;
    auto bar1 = foo.keys().sort(); // OK
    auto bar2 = foo.keys.sort(); // Error: function expected 
before ()...
}


Do you think this should be filed as regression?

Bye,
bearophile