use null sentinel in OsIterator

Hejsil / zig-clap

Command line argument parsing library

MIT License

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use null sentinel in OsIterator #27

Closed mattnite closed 4 years ago

Hejsil commented 4 years ago

Hmm. This PR raises a good question, and that is if we should use null sentinel slices throughout more of the library. I'll have to think a little about this. Meanwhile, can you revert the change on SliceIterator and only apply this to the OsIterator?

mattnite commented 4 years ago

done!