Are there an equivalent to C#'s List in D's stdlib?

[James Blachly]

On 1/7/21 9:53 PM, Jack wrote:
> I coduln't find an equivalent in the documentation, I could see 
> appender, Array, container etc but none of has a Remove(T item) method 
> like C#'s [1]. Are there not such implementation and I do have to write 
> one myself or I just couldn't find?
> 
> [1]: 
> https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.list-1.remove?view=net-5.0 
> 

Speaking for me personally, I would try to work with Ranges[0], and in a 
functional style simply filter [1] out in the same way one calls 
`Remove` in C#.

for example:

```D-ish
auto someRangeType = functionThatDoesWhatever();

auto rangeWithItemRemoved = someRangeType.filter(x => x.prop != whatever);
```

In the C# docs, Remove<T> is called on a class which has overloaded 
`Equals` such that the call to `Remove(new Part(){PartId=1534, 
PartName="cogs"});` considers only the PartId and does not match on name.

Again, you could `filter(x => x.PartId != 1534)`, or you could, as in 
C#, overload the comparison operator for the class/struct you are 
comparing, then `filter(x => x != new Part(1534, "cogs"))`

Finally, although you asked about the standard library, there are many 
other container libraries, like emsi-containers [2] which do have List 
types that implement a `remove` function just as in C#

[0] http://ddili.org/ders/d.en/ranges.html
[1] https://dlang.org/phobos/std_algorithm_iteration.html#filter
[2] https://dlang-community.github.io/containers/index.html