[Proposal]: call local static functions in base constructor

[333fred]

call local static functions in base constructor

• Specification: Needs approved specification
• Discussion: [Proposal]: [call local static functions in base constructor] #8619

Summary

Today to calculate parameters to be sent from derived class constructor to base constructor one has to define additional static method in derived class. It would be nice to use local static function instead.

Design meetings

• https://github.com/dotnet/csharplang/blob/master/meetings/2020/LDM-2020-10-26.md#static-local-functions-in-base-calls
• https://github.com/dotnet/csharplang/blob/main/meetings/2022/LDM-2022-09-28.md#ungrouped