Enum member isStringSinkSerializable
enum isStringSinkSerializable(T)
= (is(typeof(T .init .toString((scope str) => sink(str)))) || is(typeof(T .init .toString(nullSink)))) && is(typeof(T .fromString(string .init)) : T);
enum isStringSinkSerializable(T)
= (is(typeof(T .init .toString((scope str) => sink(str)))) || is(typeof(T .init .toString(nullSink)))) && is(typeof(T .fromString(string .init)) : T);