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60

combine

v4.6.7 Growing

Fast parser combinators on arbitrary streams with zero-copy support.

MIT Edition 2018
Parsing toolsNo standard library #parser#parsing#combinators#ll

Quick Verdict

  • โœ•Not updated for 1+ year
  • โœ“Stable API (4.x for 10+ years)
  • โœ“Massive adoption (1.5K crates depend on it)
  • !Heavy dependency tree (23 direct deps)
  • โœ“Permissive license (MIT)

Security

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Downloads
154.8M
Dependents
1.5K
Releases
81
Size
135KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

11.3M downloads in the last 30 days (378.1K/day), up 28% from the previous period.

๐Ÿ”—
Widely adopted

1.5K crates depend on combine. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

combine has only 1 owner despite 1.5K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

โœ…
Stable for 10+ years

The API has been stable (1.x) for over 10 years with 81 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

23 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include jni, redis, graphql-parser, solana_rbpf, solana-sbpf. When high-quality crates choose combine, it's a strong quality signal.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
292K/day avg+77%
0100K200K300K400K500K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v4.6.7
50%
v4.6.6
29%
v3.8.1
15%
v4.5.2
3%
v4.6.4
2%

Release Timeline

81 releases2 yankedsince 2015
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2015
9
2016
7
2017
16
2018
21
2019
9
2020
11
2021
4
2022
3
2023
2024
1
2025
2026
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Yanked

Feature Flags

default =["std"]

mp4std*alloctokiotokio-02tokio-03futures-03pin-project

README

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Maintainers

Dependencies
23
direct dependencies
Dependents
1.5K
crates depend on combine

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