\(f^{-1}\) is continuous (images of open sets are open, i.e. \(f\) is an open map).
Async functions combine naturally with Result and the ? operator from Chapter 10. The await resolves the future, and ? unwraps the result:
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DEVTYPE=usb_device␀
Meanwhile, the T14s Gen 7 ($1,899+) is an even lighter version of Lenovo's slim ThinkPad variant. The 2026 model weighs 2.45 lbs (1.1kg), making it the lightest T-series model to date. The T14s Gen 7 is powered by Intel Core Ultra Series 3 (with Intel vPro) or AMD Ryzen AI Pro 400 Series processors.
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