Added 28_StructLiterals.
Added 28_StructLiterals.

mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy,mikoto2000/MiscellaneousStudy