On Tue, Jul 12, 2022 at 07:55:46PM +0000, ag0aep6g via Digitalmars-d-learn wrote: > On Tuesday, 12 July 2022 at 19:02:01 UTC, user1234 wrote: > > On Tuesday, 12 July 2022 at 16:40:38 UTC, H. S. Teoh wrote: > [...] > > > Do not rely on this, however; > > > > Absolutely. I'd like to add: especially as default parameter value > > that's an array. Never use null. use `[]` (empty array literal). > > Just to be clear: `[]` and `null` are the exact same thing (null > pointer, zero length). The reason to prefer `[]` over `null` is purely > for readability. The meaning is exactly the same.
Pedantically, no, they're not the same. You can assign null to a pointer, but you can't assign [] to a pointer. `null` is a supertype of `[]`. But probably nobody actually cares about this distinction. :-D T -- By understanding a machine-oriented language, the programmer will tend to use a much more efficient method; it is much closer to reality. -- D. Knuth
