Decision Workspace
fixdec vs fastnum vs rangebar
Side-by-side comparison of Rust crates
46
fixdec
experimentalv0.1.0
High-performance fixed-point decimal types for financial calculations and cryptocurrency
59
fastnum
growingv0.7.4
Fast decimal numbers library
59
rangebar
growingv6.1.1
Non-lookahead range bar construction for cryptocurrency trading with temporal integrity guarantees
Core Metrics
| fixdec | fastnum | rangebar | |
|---|---|---|---|
| Health Score | 46 | 59 | 59 |
| Total Downloads | 8.1K | 849.4K | 2.0K |
| 30d Downloads | 1.9K | 442.7K | 16 |
| Dependents | 1 | 159 | 0 |
| Releases | 1 | 57 | 14 |
| Last Updated | 131d ago | 101d ago | 76d ago |
| Age | 4m | 1y 5m | 6m |
Health Breakdown
fixdec
Maintenance
7
Quality
15
Community
7
Popularity
5
Documentation
12
fastnum
Maintenance
14
Quality
11
Community
12
Popularity
7
Documentation
15
rangebar
Maintenance
15
Quality
19
Community
6
Popularity
4
Documentation
15
Technical Details
| fixdec | fastnum | rangebar | |
|---|---|---|---|
| Version | 0.1.0 | 0.7.4 | 6.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 8 | 18 | 16 |
| Crate Size | 60KB | 306KB | 78KB |
| Features | 5 | 19 | 16 |
| Yanked % | 0.0% | 12.3% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.89.0 | 1.88 | 1.90 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastnum leads with a health score of 59/100, but none of the options score above 80.
- •fastnum is depended on by 159 crates — strongest ecosystem trust.
- •fixdec, fastnum are pre-1.0 — API may change.