OT - Replacing strings with slices in C# - high performance improvement

[Steven Schveighoffer]

On 4/21/18 2:37 PM, Seb wrote:
> On Saturday, 21 April 2018 at 16:08:13 UTC, Steven Schveighoffer wrote:
>> On 4/20/18 8:27 PM, Jack Stouffer wrote:
>>> On Friday, 20 April 2018 at 16:33:44 UTC, rumbu wrote:
>>>> .NET Core 2.1 was announced, with emphasis on using Span<T> instead 
>>>> of classic String class all around the framework. For people not 
>>>> familiar with C#, Span<T> is similar to a D array slice.
>>>>
>>>> https://blogs.msdn.microsoft.com/dotnet/2018/04/18/performance-improvements-in-net-core-2-1/ 
>>>>
>>>>
>>>
>>> And we’re trying to move towards a string library type and away from 
>>> raw slices :)
>>
>> Since when?
>>
> 
> At least 2 1/2 years:
> 
> https://forum.dlang.org/thread/56B1224A.7050309@erdani.com

An RCString could have slicing just like C#.

And it doesn't prevent "raw slicing" with char arrays.

FWIW, I support having a string library type and have been advocating 
for it for years (I'd love to have my char arrays back as arrays of 
chars). But it MUST support slicing to pass muster in D.

-Steve