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4 changes: 2 additions & 2 deletions doc/tutorial.md
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Expand Up @@ -1539,9 +1539,9 @@ for spawning [tasks][tasks].

Rust closures have a convenient subtyping property: you can pass any kind of
closure (as long as the arguments and return types match) to functions
that expect a `fn()`. Thus, when writing a higher-order function that
that expect a `&fn()`. Thus, when writing a higher-order function that
only calls its function argument, and does nothing else with it, you
should almost always declare the type of that argument as `fn()`. That way,
should almost always declare the type of that argument as `&fn()`. That way,
callers may pass any kind of closure.

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