LDM Notes for October 2nd, 2023

[333fred]

https://github.com/dotnet/csharplang/blob/main/meetings/2023/LDM-2023-10-02.md

Agenda

• Collection expressions

[Serdan]

Anyone have a link to that horrifying picture of the IEnumerable hierarchy? 😄

[jnm2]

Yes :D

I didn't share this one during LDM, but the dictionary version:

(I'd have posted the mermaid source, but I haven't figured out how to include angle brackets in mermaid-inside-markdown-code-block without github render errors.)

[AartBluestoke]

for "clarification" i've put the "commonly used collections" (https://learn.microsoft.com/en-us/dotnet/standard/collections/commonly-used-collection-types) onto that chart:

mermaid Chart link
(a few things like 'List' directly implement IList and ICollection - i've only linked to the derived type

[DavidArno]

@AartBluestoke, you now just need to show that Array pseudo-implements those top four generic interfaces at runtime (but only when single dimensional) and we are then getting close to the true horror of this hierarchy 😄