tree 786ca256e511adc26968762bde230cd38cd033ed
parent cf02e5e9d8f74c73ebbb2e06d5ca42805321b001
author Johnathan Van Why <jrvanwhy@google.com> 1607384868 -0800
committer Alistair Francis <alistair@alistair23.me> 1608071079 -0800

Convert ErrorCode to a usize to match Tock 2.0 semantics and add constants for known error codes. Add ReturnType, a Tock 2.0 construct.