Using aliases for any type

[ufcpp]

csharplang 4284

https://ufcpp.net/blog/2023/1/using-alias-any-types/ を清書。

https://ufcpp.net/study/csharp/sp_namespace.html#alias 辺りに追記。 https://ufcpp.net/study/csharp/sp_unsafe.html も関連。

[ufcpp]

そもそも using alias どういう場面で使う？ みたいな話も足しとく？

https://github.com/ufcpp-live/UfcppLiveAgenda/issues/70#issuecomment-1508451817

[ufcpp]

alias VS strong-typedef 問題

https://github.com/ufcpp-live/UfcppLiveAgenda/issues/70#issuecomment-1508473978

これは Roles 入ったらその時に書く？

[ufcpp]

https://ufcpp.net/study/csharp/sp_namespace.html#using-any-type https://ufcpp.net/study/csharp/sp_unsafe.html#unsafe-using https://ufcpp.net/study/csharp/cheatsheet/ap_ver12/#using-any-type