add: fn{parse, acceptedFileTypes};

[bertvandepoel]

Would you consider maybe adding a clearer title and a little description of what this PR does and what its aim is. Commit messages in this project aim at explaining what the change does, not how the code has changed. This hardly gives an idea what feature you add or what problem you solve except if people go look at the code.

Thank you!

[kendfss]

Sorry. The Parse function takes a file path and produces a metadata for readonly use-case

the AcceptedFileTypes function allows users to iterate over accepted file types, say when creating a tree-walking file organizer, to avoid trying to check any files that may not match. Could use magic numbers for that, but not sure the time tradeoff is worthwile for my use case.

Ultimately, just sharing them because I wanted to keep using them without continuing to use a fork, but if you don't want them that's fair too.

edit Could also give the file extention constants a next and/or prev method. Less immediately compatible with the libraries I use, but at least allows you to catch bad input at runtime. That is, it is more likely to eventually remind devs to remember to update the iterator after augmenting the api.

[bertvandepoel]

Thanks for adding some more info. I'm actually not the developer of this library and not even that good at Go. I'm following this repo however since I'm quite invested in its maintenance and I hope someone will at some point contribute writing functionality to it! I expect that @dhowden will respond to your PR in due time :)

[wader]

@bertvandepoel what kind of functionality are you looking for? can maybe help if not too big

[bertvandepoel]

@bertvandepoel what kind of functionality are you looking for? can maybe help if not too big

I'm afraid I'm hoping for #15 (aka #71). So not really a small thing to achieve I'm afraid. But let's discuss that inside those issues and not derail this PR :)