Exif data, why can the map key be null?

bigflood / dartexif

Dart package to decode Exif data from tiff, jpeg and heic files

https://pub.dev/packages/exif

MIT License

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Closed jimmyff closed 3 years ago

jimmyff commented 3 years ago

Future<Map<String?, IfdTag>?> readExifFromBytes

I'm not sure why you would expect an IfdTag with a null key?

Future<Map<String, IfdTag>?> readExifFromBytes is what I would assume to be correct?

bigflood commented 3 years ago

You are right. So, I'm currently refactoring the code.

Future<Map<String?, IfdTag>?> → Future<Map<String, IfdTag>>