arrow2 0.18.0

Unofficial implementation of Apache Arrow spec in safe Rust
Documentation 
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use arrow2::{
    datatypes::DataType,
    scalar::{NullScalar, Scalar},
};

#[allow(clippy::eq_op)]
#[test]
fn equal() {
    let a = NullScalar::new();
    assert_eq!(a, a);
}

#[test]
fn basics() {
    let a = NullScalar::default();

    assert_eq!(a.data_type(), &DataType::Null);
    assert!(!a.is_valid());

    let _: &dyn std::any::Any = a.as_any();
}