rust-lang / rust-lang/rust

Tracking Issue for `std::time::Stopwatch`

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A-time C-tracking-issue S-tracking-unimplemented T-libs
Dominant language
Rust
Stars
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Forks
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PR merge metrics
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Description

Feature gate: #![feature(stopwatch)]

This is a tracking issue for std::time::Stopwatch; optimized for performance measurements.

Public API
// std::time

#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, ...)]
pub struct Stopwatch { ... }

impl Stopwatch {
    pub fn start() -> Self;
    pub fn elapsed(self) -> Duration;
    pub fn duration_since(self, other: Self) -> Duration;
    pub fn checked_duration_since(self, other: Self) -> Option<Duration>;
}
Steps / History

(Remember to update the S-tracking-* label when checking boxes.)

  • ACP: rust-lang/libs-team#789
  • Implementation: #161817
  • Final comment period (FCP)^1
  • Stabilization PR
Unresolved Questions
  • None yet.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the proposed public API in this tracking issue and implementation issue #161817. Check the implementation progress against the listed Stopwatch methods and feature gate; done means implementation, final comment period, and stabilization steps have been completed.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
backend-api-design
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
35/100

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