875545517d Add clippy exceptions for needless_question_mark lint (Steven Roose)
Pull request description:
This lint forces you to write semantically different code that is in most cases inferior, just to save you 5 characters.
The reason why the code is inferior is because it doesn't do error conversion so it would break when either of the two function signatures changes while in the original code using the `?` operator, nothing would break if the inner error can be converted into the outer error.
ACKs for top commit:
apoelstra:
ACK 875545517d
tcharding:
ACK 875545517d
Tree-SHA512: 8429e0fb7d759a3d19231e7bcaed61b0988172d931e758a9522d7c994854fd403408bb93b06778a5c09746cd38b6a96d3d2e0a862fb4516f2dbfffffe8735ce0
1eb6e0c7d8