ai_utils

Trait GroupByAggrCopy

Source 
pub trait GroupByAggrCopy: Iterator {
    // Required method
    fn group_by_aggr<T: Hash + Eq + Deref + Copy, K: Fn(&Self::Item) -> T, R, A: Fn(&Vec<Self::Item>) -> R>(
        self,
        get_key: K,
        aggrs: HashMap<&str, A>,
    ) -> HashMap<T, HashMap<&str, R>>;
}

Required Methods§

Source

fn group_by_aggr<T: Hash + Eq + Deref + Copy, K: Fn(&Self::Item) -> T, R, A: Fn(&Vec<Self::Item>) -> R>( self, get_key: K, aggrs: HashMap<&str, A>, ) -> HashMap<T, HashMap<&str, R>>

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§