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Re:“Python's batteries are leaking” by edflsafoiewq on Saturday May 18, 2019 @04:28PM (#19949559)

    use std::iter::FromIterator;
    BTreeMap::from_iter(hash_map.into_iter())
Re:“Python's batteries are leaking” by steveklabnik on Saturday May 18, 2019 @05:54PM (#19949946)
Or .into_iter().collect(), I believe. No import needed.