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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Question] [Feature Request] __matmul__, Internal Type Hinting","articleBody":"I wanted to add support for @ operation in python. The \\_\\_matmult\\_\\_ operation, that's how it's overloaded, in the arrayfire.Array class. \n\n\nIt's a simple monkey patch on user code. But it'd be nice if it was official. \n\nI went to my local source code and added it, but I wanted to start learning the internal more and maybe do some contribution. Just wondering if it's not redundant or unwanted. \n\nI saw that the internal Python types aren't hinted properly. \n\nThe set_backend() takes a string, but that's primitive obsession. It should take a string litteral list. \n\nfrom typing import Literal\n\nbackend: Literal[\"cuda\", \"opencl\", \"cpu\"] \n\n Or it should take an Enum. \nAnd other functions. \n\nor _clibrary_.get() returns a None. That's just due to Lazy Loading. \n\nBut a Typed Python interface could exist. Some wrapper python class might be needed so that the type of the exposed code is visible. \n\nAll of this would help learning by simply using the autocomplete features of the IDE or text editor. \n\nI hope each backend offers at least some common interface. It should, as the goal of arrayfire is hardware agnostism. \n\nSo, every method should be discoverable by the linter at \"code editing\" time. Just put _ and __ if it's really private. \n\nSo get()._af_\u003cstuff\u003e wouldn't cause false linting errors. \n\nAnyway, I might get into it if I have time. It seems like a nice contribution, and a nitpick of mine. \n\nthe typing package nd TYPE/CHECKING, and simple wrappers are quite powerful. \n\nHowever, I know that you might not want to expose internal details at all, and so might have purposly not the type hinting of everything. But it's also possible that doing so is just a tedious boilerplate. I'd be fine with doing said tedious boilerplate to make it easier to use and understand. \n\nSo, if it's by choice that there isn't any type hinting and wrapper, then I won't do it. But If it's something you'd be interested in, I might do some work on it. \n\nAlso there was a bug with af.get_devicr_info(), it seems to give the default device, not active device. Tested it with my cpu graphics card and amd graphics card on arch linux. I'll edit this section once I'm back on my PC. (Away right now). ","author":{"url":"https://github.com/PoutineSyropErable","@type":"Person","name":"PoutineSyropErable"},"datePublished":"2025-06-13T21:56:58.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/271/arrayfire-python/issues/271"}