doc/codegen.md                  | 33 ++++++++++++++++++++++++++
 src/analyze.cpp                 | 29 ++++++++++++++++++++++-
 src/codegen.cpp                 | 40 +++++++++++++++++++++++++++++++-
 test/cases/return_type_type.zig |  2 +-
 test/self_hosted.zig            |  1 +
 5 files changed, 102 insertions(+), 3 deletions(-)