null and initialized string comparisons
Steven Schveighoffer
schveiguy at gmail.com
Thu Feb 18 17:19:35 UTC 2021
On 2/17/21 4:16 PM, Adam D. Ruppe wrote:
> On Wednesday, 17 February 2021 at 20:48:22 UTC, Martin wrote:
>> is this how it supposed to be? (https://run.dlang.io/is/7B4irm)
>
> == compares contents. Both null and "" have empty contents and are
> interchangable for operators that work on contents.
>
> The assert just looks at the pointer, not contents. The `is` operator
> also looks at pointer (and length).
assert (and if, and using boolean operators) looks at the pointer and
length, the same as `is`.
-Steve
More information about the Digitalmars-d-learn
mailing list