Decision Workspace
join-lazy-fmt vs fstrings vs format
Side-by-side comparison of Rust crates
49
join-lazy-fmt
growingv0.9.2
Lazy `separator.join(iterable)` method and `lazy_format!` for Rust
50
fstrings
growingv0.2.3
Python3 fstring interpolation in Rust
49
format
growingv0.2.4
A utility crate to make it easier to work with the formatter
Core Metrics
| join-lazy-fmt | fstrings | format | |
|---|---|---|---|
| Health Score | 49 | 50 | 49 |
| Total Downloads | 588.7K | 177.7K | 48.2K |
| 30d Downloads | 5.1K | 8.1K | 851 |
| Dependents | 26 | 110 | 30 |
| Releases | 3 | 12 | 9 |
| Last Updated | 2564d ago | 1806d ago | 1818d ago |
| Age | 7y | 6y 8m | 5y 12m |
Health Breakdown
join-lazy-fmt
Maintenance
3
Quality
18
Community
9
Popularity
7
Documentation
12
fstrings
Maintenance
4
Quality
17
Community
11
Popularity
6
Documentation
12
format
Maintenance
4
Quality
17
Community
10
Popularity
6
Documentation
12
Technical Details
| join-lazy-fmt | fstrings | format | |
|---|---|---|---|
| Version | 0.9.2 | 0.2.3 | 0.2.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 0 | 2 | 2 |
| Crate Size | 4KB | 4KB | 8KB |
| Features | 2 | 3 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fstrings leads with a health score of 50/100, but none of the options score above 80.
- •join-lazy-fmt has the most downloads (588.7K), suggesting wider adoption.
- •fstrings is depended on by 110 crates — strongest ecosystem trust.
- •⚠ join-lazy-fmt, fstrings, format have not been updated in over a year.