Add #[allow(unreachable_code)] to generated impls for ! type
#404
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Resolves #400
Synopsis
For
!never type used in trait signatures,rustcemitsunreachable_codewarning ignoring the#[automatically_derived]attribute.Solution
Add
#[allow(unreachable_code)]to generatedimpls to suppress such warnings for!and similar types.Checklist
Documentation is updated(not required)