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?
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
/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
On Sun, 28 Dec 2014 19:02:59 +0100
Joseph Rushton Wakeling via Digitalmars-d-learn
digitalmars-d-learn@puremagic.com 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
On 28/12/14 19:21, Tobias Pankrath via Digitalmars-d-learn wrote:
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.
Ah, clear. Thanks
