dansteren/candid_export_bug

Demonstrates a bug in candid's export_service when using ManualReply

Candid Export Bug

Steps to reproduce

1. git clone
2. cargo test
3. Inspect the generated candid file at canisters/tests/test.did
4. Notice that it contains a type ManualReply which doesn't have the same name as the User struct in canisters/test/src/lib.rs

   type ManualReply = record { id : text };
   service : { method : () -> (ManualReply) query }