Struct PropertyEvent 

pub struct PropertyEvent<T: Clone> {
    pub timestamp: Instant,
    pub old_value: T,
    pub new_value: T,
    pub event_number: usize,
    pub thread_id: String,
}

Represents a single change event in the property’s history

This struct captures all details of a value change for event sourcing, enabling time-travel debugging, audit logs, and event replay capabilities.

Fields

timestamp: Instant

When the change occurred

old_value: T

The value before the change

new_value: T

The value after the change

event_number: usize

Sequential event number (starts at 0 for first change)

thread_id: String

Thread that triggered the change (for debugging)

Trait Implementations

impl<T: Clone + Clone> Clone for PropertyEvent<T>

fn clone(&self) -> PropertyEvent<T>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Debug + Clone> Debug for PropertyEvent<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.