Check if Key exists in Associative Array using D language.

[BoQsc]

On Tuesday, 5 April 2022 at 11:53:19 UTC, Dennis wrote:
> On Tuesday, 5 April 2022 at 11:26:27 UTC, BoQsc wrote:
>> I'd like to know if there is similar function: that can check 
>> if a **key** inside a [Associative Array][2] can be found.
>
> You can use the `in` operator for that:
> https://dlang.org/spec/hash-map.html#testing_membership

This is brilliant, thank you.