Trait CrossJoinFilter 

pub trait CrossJoinFilter: Send + Sync {
    // Required method
    fn apply(&self, df: DataFrame) -> Result<DataFrame, PolarsError>;
}

Required Methods

fn apply(&self, df: DataFrame) -> Result<DataFrame, PolarsError>

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<T> CrossJoinFilter for T

where T: Fn(DataFrame) -> Result<DataFrame, PolarsError> + Send + Sync,