near_vm_engine/
engine.rs

1//! Engine trait and associated types.
2
3use std::sync::atomic::{AtomicUsize, Ordering::SeqCst};
4
5#[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
6#[repr(transparent)]
7/// A unique identifier for an Engine.
8pub struct EngineId {
9    id: usize,
10}
11
12impl EngineId {
13    /// Format this identifier as a string.
14    pub fn id(&self) -> String {
15        format!("{}", &self.id)
16    }
17}
18
19impl Clone for EngineId {
20    fn clone(&self) -> Self {
21        Self::default()
22    }
23}
24
25impl Default for EngineId {
26    fn default() -> Self {
27        static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
28        Self { id: NEXT_ID.fetch_add(1, SeqCst) }
29    }
30}
near_vm_engine/engine.rs

near_vm_engine/
engine.rs
