lib/std/zig/Ast.zig                                      |  28 +++
 lib/std/zig/Parse.zig                                    | 350 +++++++++++++++++++++------
 lib/std/zig/parser_test.zig                              |  14 +-
 lib/std/zig/render.zig                                   | 114 ++++++---
 src/AstGen.zig                                           | 406 ++++++++++++++++++++++++++++++++
 src/AstRlAnnotate.zig                                    |  10 +
 src/Sema.zig                                             |  54 +++++
 src/Zir.zig                                              |  29 +++
 src/print_zir.zig                                        |  23 ++
 test/behavior.zig                                        |   1 +
 test/behavior/destructure.zig                            | 100 ++++++++
 test/cases/compile_errors/cast_without_result_type.zig   |   7 +
 test/cases/compile_errors/extra_comma_in_destructure.zig |  10 +
 test/cases/compile_errors/invalid_destructure_astgen.zig |  22 ++
 test/cases/compile_errors/invalid_destructure_sema.zig   |  23 ++
 test/cases/unused_vars.zig                               |   3 +
 16 files changed, 1083 insertions(+), 111 deletions(-)