Trait UdfSchema 

pub trait UdfSchema: Send + Sync {
    // Required method
    fn get_schema(
        &self,
        input_schema: &Schema<DataType, ()>,
    ) -> Result<Arc<Schema<DataType, ()>>, PolarsError>;
}

Required Methods

fn get_schema( &self, input_schema: &Schema<DataType, ()>, ) -> Result<Arc<Schema<DataType, ()>>, PolarsError>

Trait Implementations

impl Debug for dyn UdfSchema

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<F> UdfSchema for F

where F: Fn(&Schema<DataType, ()>) -> Result<Arc<Schema<DataType, ()>>, PolarsError> + Send + Sync,