Method from_iter

arrow-array/src/array/dictionary_array.rs:660–666

(iter: I)

/// ```
impl<'a, T: ArrowDictionaryKeyType> FromIterator<Option<&'a str>> for DictionaryArray<T> {
    fn from_iter<I: IntoIterator<Item = Option<&'a str>>>(iter: I) -> Self {
        let it = iter.into_iter();
        let (lower, _) = it.size_hint();
        let mut builder = StringDictionaryBuilder::with_capacity(lower, 256, 1024);
        builder.extend(it);
        builder.finish()
    }
}

/// Constructs a `DictionaryArray` from an iterator of strings.