Message from JavaScript discussions

November 2020

— Works as expected but the compiler does not like it



— Just do this

— I see, Thanks that works.
How can you make sure idField is never undefined by the subclass?

— Hmmmm

— I don't think you can do that for static fields, only instance fields

— Https://

— Here's an example of a method where the subclass is forced to write an implementation

— You *could* hack it to error at runtime I suppose

— Https://

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— Something like this?

— That helps alot