On Sunday, 28 December 2014 at 18:12:42 UTC, Joseph Rushton Wakeling via Digitalmars-d-learn wrote:
A question that suddenly occurred to me, and I realized I didn't know the answer.Why is it necessary/desirable to define separate .length and .opDollar methods for custom types?
To allow slicing for types that don't have a length property but are terminated by a sentinel value, like null terminated strings or single linked lists. It's usefull for multi-dimensional containers as well.
