qubit_clock/wall/
std_wall_clock.rs

1// =============================================================================
2//    Copyright (c) 2025 - 2026 Haixing Hu.
3//
4//    SPDX-License-Identifier: Apache-2.0
5//
6//    Licensed under the Apache License, Version 2.0.
7// =============================================================================
8//! Defines the standard system wall clock.
9
10use std::time::SystemTime;
11
12use crate::WallClock;
13
14/// A zero-sized wall clock backed by [`SystemTime::now`].
15#[derive(Debug, Clone, Copy, Default)]
16pub struct StdWallClock;
17
18impl StdWallClock {
19    /// Creates a standard system wall clock.
20    ///
21    /// # Returns
22    ///
23    /// A zero-sized wall clock backed by [`SystemTime::now`].
24    #[must_use]
25    pub const fn new() -> Self {
26        Self
27    }
28}
29
30impl WallClock for StdWallClock {
31    /// Returns the current system wall time.
32    ///
33    /// # Returns
34    ///
35    /// The value produced by [`SystemTime::now`].
36    fn now(&self) -> SystemTime {
37        SystemTime::now()
38    }
39}
qubit_clock/wall/std_wall_clock.rs

qubit_clock/wall/
std_wall_clock.rs
