Note that you don't get the full name of the type with a bad assignment in Rust, you only get the part of the type that was deduced before type checking failed.

Note that you don't get the full name of the type with a bad assignment in Rust, you only get the part of the type that was deduced before type checking failed. A generic type might have undeduced blanks, eg. Vec<_>. A side-effect of type inference.