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dart_either

Published by 🇻🇳hoc081098.dev · v2.5.0 · released 7 days ago · MIT License

First published 5 years ago.

Either monad for Dart language and Flutter framework. Type-safe error handling, railway oriented programming. Supports Monad comprehensions, async map, async flatMap.

View on pub.dev View source
#13 in Functional Programming #1731 overall androidioswindowslinuxmacosweb
Downloads / day
1,038
as of 2026-10-19
GitHub stars
9
★ refreshed weekly
Likes
22
on pub.dev
Pub points
160 / 160
perfect score
2026-09-19 2026-10-19

Repository health

Last commit
6 days ago
Commit activity
Open issues
1
Open PRs
1
Contributors
1
CI
GitHub Actions
License (repo)

Last refreshed 4 days ago.

License explained · MIT

MIT License

Use freely, even commercially. Just keep the copyright notice.

A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code.

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

dart_either

67 commits in the past year
Accelerating +1400% vs 9 months ago
15 8 0 52w ago36w ago18w agothis week
Weekly average
1 commits
Busiest week
12 commits, 6 weeks ago
Active weeks
12 of 52 (23%)
Longest quiet stretch
22 weeks with no commits

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

How dart_either compares in Functional Programming

Top of the Functional Programming leaderboard, with dart_either highlighted.

Rank Package Downloads / day Stars Likes
#1
built_collection
🇺🇸 google.dev
365.9K ★ 872 346
#2
rxdart
🇺🇸 fluttercommunity.dev
196.4K ★ 3.4K 2.9K
#3
dartz
 18.5K ★ 771 1.6K
#4
type_plus
🇩🇪 schultek.dev
16.9K ★ 21 30
#13
dart_either
hoc081098.dev
1K ★ 9 22