Trait polars_core::schema::IndexOfSchema

pub trait IndexOfSchema: Debug {
    fn index_of(&self, name: &str) -> Option<usize>;

    fn try_index_of(&self, name: &str) -> PolarsResult<usize> { ... }
}

Available on crate feature private only.

This trait exists to be unify the API of polars Schema and arrows Schema

Required Methods

fn index_of(&self, name: &str) -> Option<usize>

Get the index of column by name.

Provided Methods

fn try_index_of(&self, name: &str) -> PolarsResult<usize>

Implementors

impl IndexOfSchema for ArrowSchema

impl IndexOfSchema for Schema