Trait polars_core::schema::SchemaNamesAndDtypes

pub trait SchemaNamesAndDtypes {
    type DataType: Debug + Clone + Default + PartialEq;

    const IS_ARROW: bool;

    // Required method
    fn iter_names_and_dtypes(
        &self,
    ) -> impl ExactSizeIterator<Item = (&PlSmallStr, &Self::DataType)>;
}

Required Associated Types

type DataType: Debug + Clone + Default + PartialEq

Required Associated Constants

const IS_ARROW: bool

Required Methods

fn iter_names_and_dtypes( &self, ) -> impl ExactSizeIterator<Item = (&PlSmallStr, &Self::DataType)>

Object Safety

This trait is not object safe.

Implementors

impl SchemaNamesAndDtypes for ArrowSchema

const IS_ARROW: bool = true

type DataType = ArrowDataType

impl SchemaNamesAndDtypes for Schema

const IS_ARROW: bool = false

type DataType = DataType