Method checked_recur

src/ore/src/stack.rs:192–201

(&self, f: F)

    /// mutual recursion occurs.
    #[inline(always)]
    fn checked_recur<F, T, E>(&self, f: F) -> Result<T, E>
    where
        F: FnOnce(&Self) -> Result<T, E>,
        E: From<RecursionLimitError>,
    {
        self.recursion_guard().descend()?;
        let out = maybe_grow(|| f(self));
        self.recursion_guard().ascend();
        out
    }

    /// Like [`CheckedRecursion::checked_recur`], but operates on a mutable
    /// reference to `Self`.