Trait polars_arrow::scalar::Scalar
source · pub trait Scalar: Debug + Send + Sync + DynClone + 'static {
// Required methods
fn as_any(&self) -> &dyn Any;
fn is_valid(&self) -> bool;
fn data_type(&self) -> &ArrowDataType;
}
Expand description
Trait object declaring an optional value with a ArrowDataType
.
This strait is often used in APIs that accept multiple scalar types.
Required Methods§
sourcefn data_type(&self) -> &ArrowDataType
fn data_type(&self) -> &ArrowDataType
the logical type.