Improve Result-chaining documentation #6952
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This PR updates the documentation to clarify how to chain functions that return a
Result
.?
operator) in theroc-for-elm-programmers.md
page, at the start of the backpassing section (since backpassing will be replaced, IIUC). The note links to Add syntax sugar that translates ? to Result.try #6828.Result
-chaining example in the tutorial, as well as a note that some syntax sugar for this is coming.