Keyboard shortcuts

Press or to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

Interactive Editor Map

Interactive traceOwnership mapRevision 079a789

Choose a process to see where waiting occurs and where mutation returns to the foreground loop.

Edit and render

    Owns or controls
    Why this boundary exists
    Open the pinned source ↗

    The arrows show logical control flow. Tokio can move spawned futures between worker threads, but the editor model remains behind the event loop’s exclusive mutable borrow.