}It also works on optionals. A function returning ?T can propagate none from another optional:
Lauren Hirst,North West
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Features, part 3: advanced contextual alternates | Glyphs，这一点在谷歌中也有详细论述
Wayve is taking a different approach to automated driving. It doesn’t want to be the operator. Instead it wants to license its software — both a fully automated driving product and a less capable one meant for advanced driver-assistance systems — to automakers and robotaxi operators. Wayve has taken a self-learning approach to its software. The company developed a software layer using an end-to-end neural network that doesn’t require high-definition maps and only uses data to teach the vehicle how to drive. It’s hardware agnostic, which could be appealing to Wayve backers Mercedes-Benz, Nissan, and Stellantis.