Self-referential functions and the design of options

I've been trying on and off to find a nice way to deal with setting options in a Go package I am writing. Options on a type, that is. The package is intricate and there will probably end up being dozens of options. There are many ways to do this kind of thing, but I wanted one that felt nice to use, didn't require too much API (or at least not too much for the user to absorb), and could grow as ne

[efcl]

Goのoptionalの引数を表現するFunctional Option Pattern。 オプションの値をsetする高階関数と、それを受け取ってセットする

[Ehren]

go

[ono_matope]

Self-referential functionsパターン、最後にUndoまで華麗に抽象化していくのがすごすぎる