whichever 0.7.1

Implements a trait for an enum by forwarding to whichever variant it holds
Documentation 
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error: `std::fmt::Display` is not `#[dispatchable]`; dispatch `whichever::foreign::Display` if it is one of the traits `whichever` declares, or restate the trait with `#[whichever::dispatchable(remote = std::fmt::Display)]`
 --> tests/ui/std_path_not_dispatchable.rs:9:23
  |
9 | #[whichever::dispatch(std::fmt::Display)]
  |                       ^^^^^^^^^^^^^^^^^