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Home/Top/Functional Programming/fast_immutable_collections

fast_immutable_collections

Published by 🇺🇸glasberg.dev · v11.2.0 · released 5 months ago · BSD-2-CLAUSE License

First published 5 years ago.

Immutable lists, sets, maps, and multimaps, which are as fast as their native mutable counterparts. Extension methods and comparators for native Dart collections.

View on pub.dev View source
#8 in Functional Programming #856 overall androidioswindowslinuxmacosweb
Downloads / day
5,261
as of 2026-09-12
GitHub stars
229
★ refreshed weekly
Likes
409
on pub.dev
Pub points
150 / 160
2026-08-13 2026-09-12

Repository health

Last commit
5 months ago
Commit activity
Open issues
10
Open PRs
2
Contributors
14 (top contributor 61%)
CI
GitHub Actions
License (repo)

Last refreshed 16 days ago.

License explained · BSD-2-Clause

BSD 2-Clause "Simplified" License

Use freely, even commercially. Just keep the copyright notice. Effectively identical to MIT.

A permissive license that comes in two variants, the BSD 2-Clause and BSD 3-Clause. Both have very minute differences to the MIT license.

You can

  • Commercial use
  • Distribution
  • Modification
  • Private use

You must

  • Include the license and copyright notice

The license does not

  • No liability
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

fast_immutable_collections

8 commits in the past year
Slowing -100% vs 9 months ago
5 3 0 52w ago36w ago18w agothis week
Weekly average
0.2 commits
Busiest week
3 commits, 30 weeks ago
Active weeks
6 of 52 (12%)
Longest quiet stretch
19 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How fast_immutable_collections compares in Functional Programming

Top of the Functional Programming leaderboard, with fast_immutable_collections highlighted.

Rank Package Downloads / day Stars Likes
#1
built_collection
🇺🇸 google.dev
265.1K ★ 285 345
#2
rxdart
🇺🇸 fluttercommunity.dev
172.2K ★ 3.4K 2.9K
#3
dartz
 17.5K ★ 772 1.6K
#4
type_plus
🇩🇪 schultek.dev
16.4K ★ 21 30
#5
maybe_just_nothing
🇺🇸 karapetov.com
9.6K ★ 6 11

Compare fast_immutable_collections with

Head-to-head breakdowns against the other top Functional Programming packages.