Generates string of assignment of value to argument
     
    
    Usage
    assignment_string(arg_name, arg_values)
 
     
    
    Arguments
- arg_name
 
A string. Label of assignment object.
 
- arg_values
 
A list. Values to be assigned to the argument. Can be character, logical or numeric of any length.
 
 
    
    Value
    A vector of strings of the form "arg_name <- arg_value" where arg_value is in its evaluated format.