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私はこれをしたい:
class Foo { static Func<string> sRunner; Func<string> _runner; public Foo(Func<string> runner){ _runner = runner ?? sRunner ?? () => "Hey!"; } }
ラムダで「無効な式」という用語が表示されます。それはインラインで修正できますか?
_runner = runner ?? sRunner ?? (() => "Hey!");