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copybook-core

v0.4.3 Experimental

Core COBOL copybook parser, schema, and validation primitives.

AGPL-3.0-or-later Edition 2024 MSRV 1.92
Data structuresEncodingParsing tools #parser#ebcdic#cobol#mainframe#copybook

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • !Heavy dependency tree (22 direct deps)

Security

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Downloads
423
Dependents
9
Releases
1
Size
112KB

Deep Insights

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Download decline

104 downloads in the last 30 days, down 22% from the previous period. May indicate migration to alternatives.

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Prolific maintainer

The primary maintainer publishes 574 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

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Heavy dependency tree

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

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Used by top crates

Notable dependents include copybook-corruption-detectors, copybook-corruption-rdw, copybook-fixed, copybook-rdw, copybook-corruption. When high-quality crates choose copybook-core, it's a strong quality signal.

Health Breakdown

Maintenance 8/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 3/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
0/day avg
04/275/156/26/207/87/25

Top Dependents

Version Adoption

v0.4.3
100%

Release Timeline

1 releasessince 2026
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Feature Flags

auditcomprehensive-tests

README

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Maintainers

Dependencies
22
direct dependencies
Dependents
9
crates depend on copybook-core

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