Decision Workspace
primitivemap vs maplit vs fixedbitset
Side-by-side comparison of Rust crates
37
primitivemap
growingv0.1.0
blazing fast [Integer -> T: Copy] map
63
maplit
growingv1.0.2
Collection “literal” macros for HashMap, HashSet, BTreeMap, and BTreeSet.
59
fixedbitset
growingv0.5.7
FixedBitSet is a simple bitset collection
Core Metrics
| primitivemap | maplit | fixedbitset | |
|---|---|---|---|
| Health Score | 37 | 63 | 59 |
| Total Downloads | 2.0K | 101.1M | 310.7M |
| 30d Downloads | 3 | 4.8M | 24.7M |
| Dependents | 0 | 15.7K | 2.0K |
| Releases | 1 | 10 | 30 |
| Last Updated | 2887d ago | 2407d ago | 712d ago |
| Age | 7y 11m | 10y 10m | 10y 12m |
Health Breakdown
primitivemap
Maintenance
1
Quality
15
Community
6
Popularity
4
Documentation
11
maplit
Maintenance
4
Quality
21
Community
19
Popularity
8
Documentation
11
fixedbitset
Maintenance
4
Quality
13
Community
19
Popularity
8
Documentation
15
Technical Details
| primitivemap | maplit | fixedbitset | |
|---|---|---|---|
| Version | 0.1.0 | 1.0.2 | 0.5.7 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT/Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 0 | 2 |
| Crate Size | 4KB | 9KB | 27KB |
| Features | 0 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 10.0% |
| Edition | — | — | 2021 |
| MSRV | — | — | 1.56 |
| Owners | 1 | 2 (team) | 4 (team) |
Links
Quick Verdict
- •maplit leads with a health score of 63/100, but none of the options score above 80.
- •fixedbitset has the most downloads (310.7M), suggesting wider adoption.
- •maplit is depended on by 15.7K crates — strongest ecosystem trust.
- •⚠ primitivemap, maplit, fixedbitset have not been updated in over a year.
- •primitivemap, fixedbitset are pre-1.0 — API may change.