Adding fn load_or_else (#98) #93

Job	Run time
Check (stable, ubuntu-latest)	16s
Check (stable, macOS-latest)	47s
Check (stable, windows-latest)	51s
Check (beta, ubuntu-latest)	15s
Check (beta, macOS-latest)	22s
Check (beta, windows-latest)	50s
Check (nightly, ubuntu-latest)	14s
Check (nightly, macOS-latest)	22s
Check (nightly, windows-latest)	55s
Clippy (stable)	16s
Test Suite (stable, ubuntu-latest)	18s
Clippy (beta)	18s
Test Suite (stable, macOS-latest)	1m 0s
Clippy (nightly)	15s
Test Suite (stable, windows-latest)	1m 6s
Test Suite (beta, ubuntu-latest)	19s
Test Suite (beta, macOS-latest)	21s
Test Suite (beta, windows-latest)	50s
Test Suite (nightly, ubuntu-latest)	17s
Test Suite (nightly, macOS-latest)	26s
Test Suite (nightly, windows-latest)	47s
	11m 5s

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