Add possibility to use a different wrapper than `Option` #41

Job	Run time
Run rustfmt	11s
Run clippy	15s
Run cargo check with 1.56.0 on ubuntu-latest	1m 1s
Run cargo check with stable on ubuntu-latest	15s
Run cargo check with beta on ubuntu-latest	12s
Run cargo check with nightly on ubuntu-latest	14s
Run cargo check with 1.56.0 on macos-latest	1m 47s
Run cargo check with stable on macos-latest	22s
Run cargo check with beta on macos-latest	29s
Run cargo check with nightly on macos-latest	22s
Run cargo check with 1.56.0 on windows-latest	1m 23s
Run cargo check with stable on windows-latest	38s
Run cargo check with beta on windows-latest	27s
Run cargo check with nightly on windows-latest	34s
Run tests with 1.56.0 on ubuntu-latest	38s
Run tests with stable on ubuntu-latest	22s
Run tests with beta on ubuntu-latest	22s
Run tests with nightly on ubuntu-latest	23s
Run tests with 1.56.0 on macos-latest	30s
Run tests with stable on macos-latest	29s
Run tests with beta on macos-latest	31s
Run tests with nightly on macos-latest	32s
Run tests with 1.56.0 on windows-latest	23s
Run tests with stable on windows-latest	29s
Run tests with beta on windows-latest	22s
Run tests with nightly on windows-latest	24s
	13m 35s

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