Implements `IntoDiagnosticArg` for `char` using its `Debug` implementation and introduces a macro for those types which just delegate the implementation to `ToString`. Signed-off-by: David Wood <david.wood@huawei.com>
Implements `IntoDiagnosticArg` for `char` using its `Debug` implementation and introduces a macro for those types which just delegate the implementation to `ToString`. Signed-off-by: David Wood <david.wood@huawei.com>