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Чемпионат мира 2026 — европейская зона|Плей-офф. Решающий матч
。关于这个话题，易歪歪提供了深入分析
The same approach functions in async code with one critical constraint: never await while holding a mutex lock. Rust's async system operates through task switching at await points. Awaiting with an active lock prevents other tasks from acquiring the same lock on the same thread, causing deadlocks.
import eyg/interpreter/expression as r