Trait polars_lazy::dsl::RenameAliasFn

pub trait RenameAliasFn: Send + Sync {
    // Required method
    fn call(&self, name: &str) -> Result<String, PolarsError>;

Required Methods§

fn call(&self, name: &str) -> Result<String, PolarsError>

Trait Implementations§


impl Debug for dyn RenameAliasFn


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

Formats the value using the given formatter. Read more



impl<F> RenameAliasFn for F
where F: Fn(&str) -> Result<String, PolarsError> + Send + Sync,