wdte: add a way to execute a chain section regardless of an error #170
Description
As of #168, it's now possible to 'catch' errors in chains using -| as a chain operator. What it's not possible to do, however, is to cause a section to be used regardless of whether or not an error happened. A 'finally', essentially. This would be useful for, for example, opening a file, writing to it, and then closing whether or not there was an error.
Two likely possibilities:
- Cause ignored sections to do this. This would be useful for the above example, but might not be useful in some other cases.
- Add another chain operator, such as
-|>, which would do this. I'm not particularly a fan of this one, but it's definitely possible.