.gitignore                            | 11 +++++
 doc/langref.html.in                   | 26 +++++++---
 src/all_types.hpp                     |  8 ++-
 src/ast_render.cpp                    |  3 --
 src/codegen.cpp                       | 24 +++++++++
 src/ir.cpp                            | 78 ++++++++++++++++++++++++------
 src/ir_print.cpp                      |  7 +++
 src/parser.cpp                        | 25 ++++------
 std/event/channel.zig                 |  8 +--
 std/event/future.zig                  | 12 ++---
 std/event/group.zig                   |  4 +-
 std/event/lock.zig                    | 35 +++-----------
 std/event/loop.zig                    | 14 +++---
 std/event/tcp.zig                     |  8 +--
 std/fmt/index.zig                     |  9 ++++
 std/os/index.zig                      | 26 +++++-----
 std/os/linux/index.zig                |  2 +-
 std/os/linux/test.zig                 |  4 ++
 std/os/windows/advapi32.zig           |  5 ++
 std/os/windows/util.zig               |  2 +-
 std/rand/index.zig                    |  9 ++--
 std/zig/ast.zig                       | 12 -----
 std/zig/parse.zig                     | 33 ++++++-------
 std/zig/parser_test.zig               |  8 +--
 std/zig/render.zig                    | 16 +-----
 test/behavior.zig                     |  1 +
 test/cases/cancel.zig                 |  4 +-
 test/cases/coroutine_await_struct.zig |  4 +-
 test/cases/coroutines.zig             | 19 +++++---
 test/cases/underscore.zig             | 28 +++++++++++
 test/cases/union.zig                  | 14 ++++++
 test/compile_errors.zig               | 83 +++++++++++++++++++++++++++++++-
 32 files changed, 366 insertions(+), 176 deletions(-)