Фото: Monsef Memari / Reuters
FT Edit: Access on iOS and web
,更多细节参见新收录的资料
print(apply_twice(double, 3)); // 12Without the alias, the signature would be fn apply_twice(f: fn(int) - int, value: int) - int — correct but harder to read at a glance.
Gridwise’s annual gig mobility report, released earlier this week, found that average fares on Uber and Lyft climbed 9.6% in 2025. The typical ride rose from $21.58 by the end of 2024 to $23.66 by December 2025. The analysis looked at about one billion anonymized tasks across ride-hailing and delivery gig work in the U.S., giving a broad view of how costs are shifting. The report tracked trip-level activity, earnings and pricing for major rideshare platforms across the U.S. in 2025.