Add user-defined errors for render functions #196
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This was so much easier than I thought it would be. Last time I tried this, it was a huge pain. This change was absolutely effortless! Worked first time. Even though there isn't much to it, and most upgrades will need to add a seemly useless
Ok(()), this really is a game-changer for error handling inside custom render functions.The error is simply bubbled to the outer caller, and the game loop can decide how it wants to handle these errors.