fn main() 
{
  
    //declare buffer
    let buffer:String;
    
    //declare buffer_as_str &str
    let buffer_as_str:&'static str;
    //let buffer_as_str:&str;
    
    //set value of variable buffer
    buffer = "J. Cole, Nas, Jay-Z".to_string();
    
    
    /*
        Get a reference to string variable
    */
    buffer_as_str = buffer.as_str();
    //pattern_formatted_as_str = &pattern_formatted[..];
  
    //print buffer ( buffer )
    println!(
      
                  "buffer - variable name {} - variable value {}"
                  
                , "buffer"
                
                , buffer
                
            );

    //print buffer ( buffer_as_str )
    println!(
      
                   "buffer - variable name {} - variable value {}"
                  
                , "buffer_as_str"  
                  
                , buffer_as_str
                
            );
    
}