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r4
v1.0.1 GrowingA compact macro that generates iterators using for comprehensions and natural Rust syntax.
Apache-2.0
#macro#iterator#comprehension#for#iterate
Quick Verdict
- ✕Not updated for 8+ years
- ✓Stable API (1.x for 8+ years)
- ✓Tiny footprint (9KB, 0 deps)
- ✓Permissive license (Apache-2.0)
Security
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Downloads
4.0K
Dependents
0
Releases
2
Size
9KB
Deep Insights
📊
Steady growth
7 downloads in the last 30 days (0/day), up 17% from the previous period.
✅
Stable for 8+ years
The API has been stable (1.x) for over 8 years with 2 releases. This level of maturity means you can depend on it without worrying about breaking changes.
🪶
Zero dependencies
r4 has no external dependencies — minimal supply chain risk and fast compile times.
📐
Compact crate
At 9KB, r4 is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 3/25
Recency, release consistency, active ratio
Quality 21/25
Yanked ratio, deps, size, maturity, features
Community 3/20
Reverse deps, ownership, ecosystem
Popularity 4/15
Downloads, momentum, growth trend
Documentation 11/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg-78%
Version Adoption
v1.0.1
56%
v1.0.0
44%
Release Timeline
2 releasessince 2018
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README
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Maintainers
Dependencies
0
direct dependencies
Dependents
0
crates depend on r4