// (11,24): error CS8128: Member '.ctor' was not found on type 'ValueTuple<T1, T2>' from assembly 'comp, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'.
// (13,34): error CS0266: Cannot implicitly convert type '(long c, string d)' to '(short a, string b)'. An explicit conversion exists (are you missing a cast?)
// (short a, string b) x3 = ((long c, string d))(1, "hello");