When multiple saves occur, we can have multiple start events followed by multiple end events. We don't want to update our project diagnostics view until all pending progress is finished.
Co-Authored-By: Antonio Scandurra <me@as-cii.com>
Here I'm exploring a new approach to the project-wide diagnostics view that can exactly mirror the contents of cargo check. The `FragmentList` composes an arbitrary list of fragments from other buffers and presents them as if they were a single buffer.
Nathan SoboandAntonio Scandurra
