use serde::{Deserialize, Serialize};
/// Monotonic graph state version.
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
pub struct GraphVersion(u64);
impl GraphVersion {
/// The empty graph version used before storage is attached.
pub const ZERO: Self = Self(0);
/// Creates a graph version from its numeric representation.
pub const fn new(value: u64) -> Self {
Self(value)
}
/// Returns the numeric graph version.
pub const fn get(self) -> u64 {
self.0
}
}
#[cfg(test)]
#[path = "graph_version_tests.rs"]
mod tests;