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collections

0.3.12

High Performance Container Data Types

8packages depend
369.5Kdownloads / year
48.9%test coverage
13/13checks pass

Overview

About
Maintained by Randy LaiFirst published 2018-07-3026 releasesCRAN page ↗GitHub ↗

Provides high performance container data types such as queues, stacks, deques, dicts and ordered dicts. Benchmarks https://randy3k.github.io/collections/articles/benchmark.html have shown that these containers are asymptotically more efficient than those offered by other packages.

Install

Health

CRAN checks
13OK
Slowest check: 2.1 min · r-devel-windows-x86_64
Code health
Yes
Tests · ratio 1.03
48.9%
Coverage · measured lines
100%
Documentation · exports
0
Dependencies · direct
Check history
  • OK2026-08-05
    13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • NOTE2026-08-01
    12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • OK2026-05-02
    13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • NOTE2026-04-25
    11 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • OK2026-04-16
    14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
Show 6 earlier snapshots
  • NOTE2026-03-28
    13 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • OK2026-03-26
    14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • NOTE2026-03-23
    11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • WARNING2026-03-21
    9 OK · 4 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE
  • NOTE2026-03-17
    13 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • OK2026-03-10
    14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

Documentation
READMEYes · 130 wordsVignettesNopkgdown siteNoNEWSNoCode of conductNoContributing guideNo
Examples that run
100%
Documented parameters
95%
Return-value docs
0%
References docs
0%

Downloads

369.5K
CRAN downloads in the past year
Rank #717 · ~1K/day · ~30.8K/mo
Daily download trend is not available in this view yet.
21.6K30 days
74.9K90 days
369.5K1 year
Compare downloads with other packages →
Also on22.9K r2u20 autocran53.5K conda_forge27 c2d4u

Repository

Repository
111Stars
4Forks
8Open issues
0Open PRs
13Releases
305Commits
1Contributors
305 commits · Last activity 2026-03-22 · 0% stars, 30d

Stars over time

2025-02-13 · 1012026-07-07 · 111

Repository practices

Upstream repositoryBeta

6 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/randy3k/collections on 2026-08-23.

Continuous integration (1)
GitHub Actions
Docs source (1)
README.Rmd
Lint, format, editor (1)
RStudio project
Coverage (2)
Codecov.covrignore
Show all practices
Git structural (1)
.gitattributes
How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies
1 external dependency (excludes base and recommended)
Depends (0)
none
Imports (0)
none
LinkingTo (0)
none
Suggests (1)
Enhances (0)
none

Code & Tests

People & History

People (3)
Maintainer (1)
Author, Maintainer
Authors (1)
Author, Maintainer
Copyright holders (2)
Copyright holder · added in 0.3.4
Copyright holder · added in 0.2.0
Package Timeline

26 releases. Pick two to compare their code metrics. R releases are shown for context.

  • R
    R 4.6.0 released · 2026-04-24
  • 0.3.12Latest
    2026-03-22 · current release · diff ↗
  • 0.3.11
    2026-02-05 · diff ↗
  • 0.3.10
    2026-01-21 · diff ↗
  • 0.3.9
    2025-08-18 · diff ↗
  • 0.3.8
    2025-05-08 · diff ↗
  • R
    R 4.5.0 released · 2025-04-11
  • R
    R 4.4.0 released · 2024-04-24
  • R
    R 4.3.0 released · 2023-04-21
  • 0.3.7
    2023-01-05 · diff ↗
  • 0.3.6
    2022-10-19 · diff ↗
  • R
    R 4.2.0 released · 2022-04-22
  • R
    R 4.1.0 released · 2021-05-18
  • 0.3.5
    2020-08-10 · diff ↗
  • 0.3.4
    2020-07-25 · diff ↗
  • 0.3.3
    2020-06-14 · diff ↗
Show 19 earlier events
  • 0.3.2
    2020-06-01 · diff ↗
  • 0.3.1
    2020-04-30 · diff ↗
  • R
    R 4.0.0 released · 2020-04-24
  • 0.3.0
    2020-04-19 · diff ↗
  • 0.2.5
    2020-03-15 · diff ↗
  • 0.2.4
    2020-02-07 · diff ↗
  • 0.2.3
    2019-11-02 · diff ↗
  • 0.2.2
    2019-10-26 · diff ↗
  • 0.2.1
    2019-10-10 · diff ↗
  • 0.2.0
    2019-10-02 · diff ↗
  • R
    R 3.6.0 released · 2019-04-26
  • 0.1.6
    2019-04-04 · diff ↗
  • 0.1.5
    2019-03-07 · diff ↗
  • 0.1.4
    2019-02-27 · diff ↗
  • 0.1.3
    2018-11-08 · diff ↗
  • 0.1.2
    2018-09-01 · diff ↗
  • 0.1.1
    2018-08-08 · diff ↗
  • 0.1.0
    2018-07-30
  • R
    R 3.5.0 released · 2018-04-23

Package metadata

First published
2018-07-30
Total releases
26 / 8 yrs
License
MIT + file LICENSE OSI
Download size
109 KB
Installed size
not tracked yet
With dependencies
not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("collections")
Lai, R., Collet, Y., & Mazzoleni, A. (2026). collections: High Performance Container Data Types (Version 0.3.12) [Computer software]. https://doi.org/10.32614/CRAN.package.collections

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for collections version 0.3.12 [Data set]. HJJB, LLC. Data release v2026-08-24. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-24, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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