Function join 

pub fn join<T>(dim: i32, first: &Array<T>, second: &Array<T>) -> Array<T>
where
    T: HasAfEnum,

Join two arrays

Parameters

• dim is the dimension along which the concatenation has to be done
• first is the Array that comes first in the concatenation
• second is the Array that comes last in the concatenation

Return Values

Concatenated Array