[`getItemPublishDate`](https://github.com/bergmark/feed/blob/4a63ee75c5ac2f38e10ec71a25409362d331a71e/src/Text/Feed/Query.hs#L289) has the following as type signature: ```haskell ParseTime t => ItemGetter (Maybe t). ``` As [`ItemGetter a`](https://github.com/bergmark/feed/blob/4a63ee75c5ac2f38e10ec71a25409362d331a71e/src/Text/Feed/Query.hs#L251) itself is: ```haskell Item -> Maybe a ``` it resolves `getItemPublishDate` to: ```haskell ParseTime t => Item -> Maybe (Maybe t) ``` Is it an error?
getItemPublishDatehas the following as type signature:As
ItemGetter aitself is:it resolves
getItemPublishDateto:Is it an error?