Ace the Rust Interview

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Cancellation at await points

async-cancel-01Related book chapters: 13 (optional — this page is complete on its own)cancellation

Slug: async-cancel-01 · Paired reading: Chapter 13

Prompt

transfer_cancel_safe(from, to, amount) suspends BEFORE mutating (YieldOnce then debit/credit). Include block_on for the test.