use serde::Serialize;
use std::fmt;
#[derive(Clone, PartialEq, Serialize)]
pub struct MemoryAddress(pub usize);
impl fmt::Debug for MemoryAddress {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
if self.0 == 0 {
write!(f, "NULL")
} else {
write!(f, "0x{:x?}", self.0)
}
}
}