type TestInt = ?int type TestString = ?string type TestF64 = ?f64 struct Struct { } type TestStruct = ?Struct fn main() { f := TestInt(1) dump(f) println(f) g := TestString('foo') dump(g) println(g) h := TestString(none) dump(h) i := TestF64(none) dump(i) l := TestStruct(none) dump(l) k := TestStruct(Struct{}) dump(k) }