Update documentation for `seems?/2` explaining what `nil` means

Group4Layers / ex_image_info

ExImageInfo is an Elixir library to parse images (binaries) and get the dimensions (size), detected mime-type and overall validity for a set of image formats. It is the fastest and supports multiple formats.

https://hex.pm/packages/ex_image_info

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Update documentation for `seems?/2` explaining what `nil` means #8

Closed warmwaffles closed 11 months ago

warmwaffles commented 11 months ago

Changes the behaviour's typespec to use the built-in boolean() instead of Boolean.t().
Adds image_format typespec for a more precise return expectation.