Function Version.opCmp
Compares two dsdl
s from chronology
Example
assert(dsdl .Version(2, 0, 0) == dsdl .Version(2, 0, 0));
assert(dsdl .Version(2, 0, 1) > dsdl .Version(2, 0, 0));
assert(dsdl .Version(2, 0, 1) < dsdl .Version(2, 0, 2));
assert(dsdl .Version(2, 0, 2) >= dsdl .Version(2, 0, 1));
assert(dsdl .Version(2, 0, 2) <= dsdl .Version(2, 0, 2));