findLayerAs() should return nullptr if layer cannot be found like findLayer()

EmilDohne / PhotoshopAPI

A modern and performant C++20 read/write parser of Photoshop Files (*.psd and *.psb) with fully fledged Python bindings hosted on PyPi

https://photoshopapi.readthedocs.io/en/latest/

BSD 3-Clause "New" or "Revised" License

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findLayerAs() should return nullptr if layer cannot be found like findLayer() #66

Closed EmilDohne closed 3 months ago

EmilDohne commented 5 months ago

Currently if a layer cannot be found it actually throws an error but instead it should just return a nullptr. That way users can check if (auto lr = findLayerAs<T, GroupLayer>("path"))