Rust

Show ranges of slice in the doc #506

Job	Run time
Ensure clippy is happy on heed and heed3	23s
Check the heed3 project (ubuntu-latest)	22s
Check all the features of the heed project	30s
Check all the features of the heed3 project	33s
Check the heed3 project (windows-latest)	3m 50s
Check the heed3 project (macos-latest)	28s
Run the heed examples (ubuntu-latest)	27s
Ensure the heed and heed3 project are formatted	12s
Run the heed examples (macos-latest)	39s
Run the heed3 examples (ubuntu-latest)	29s
Run the heed3 examples (macos-latest)	37s
Test the heed3 project (ubuntu-latest)	41s
Test the heed project (ubuntu-latest)	38s
Test the heed3 project (windows-latest)	8m 32s
Ensure heed3 is not erasing heed	3s
Test the heed project (windows-latest)	6m 7s
Test the heed3 project (macos-latest)	45s
Test the heed project (macos-latest)	34s
	25m 50s

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