fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
        write!(f, "CHIP8 ROM ({}): {}KB",
        	self.filename,
            self.length
        )
    }
/// Implement fancy display formatting for the ROM
Implement fancy display formatting for the ROM
Implement fancy display formatting for the ROM
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
        write!(f, "CHIP8 ROM ({}): {}KB",
        	self.filename,
            self.length
        )
    }
fn fmt ( & self , f : & mut fmt :: Formatter ) -> Result < ( ) , fmt :: Error > { write ! ( f " " self filename self length ) }
Implement fancy display formatting for the ROM
Implement fancy display formatting for the ROM
&self
f
&mut fmt::Formatter