feat: additional vec apis #16

Job	Run time
Linting	18s
Test (ubuntu-latest)	16s
Test (ubuntu-latest, --release)	18s
Test (ubuntu-latest, --features=no_std)	20s
Test (ubuntu-latest, --features=no_std, --release)	15s
Test (windows-latest)	2m 3s
Test (windows-latest, --release)	1m 57s
Test (windows-latest, --features=no_std)	1m 48s
Test (windows-latest, --features=no_std, --release)	2m 13s
Test (macos-latest)	18s
Test (macos-latest, --release)	21s
Test (macos-latest, --features=no_std)	23s
Test (macos-latest, --features=no_std, --release)	33s
Test (macos-12)	35s
Test (macos-12, --release)	39s
Test (macos-12, --features=no_std)	1m 1s
Test (macos-12, --features=no_std, --release)	45s
	14m 3s

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