Improve error reporting about mismatched signature in with and default attributes
#2558
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…`default` attributes
…serde(default = "...")] attributes on the attribute itself
|
Strange, but order of implementations shown in failed run is different from my (my removed, GitHub runner added): = help: the following other types implement trait `Serializer`:
- FlatMapSerializer<'a, M>
- &'a mut Formatter<'b>
_::_serde::__private::ser::content::ContentSerializer<E>
+ FlatMapSerializer<'a, M>
+ &'a mut Formatter<'b>This can create difficulties in local testing. |
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This PR changes the errors reported by
rustcwhen signature of function specified in#[serde(with = "...")]#[serde(deserialize_with = "...")]#[serde(serialize_with = "...")]#[serde(default = "...")]is wrong. With this PR error will point to the
"...".