Decision Workspace
inlinable_string vs flexible-string vs flexstr
Side-by-side comparison of Rust crates
47
inlinable_string
growingv0.1.15
The `inlinable_string` crate provides the `InlinableString` type -- an owned, grow-able UTF-8 string that stores small strings inline and avoids heap-allocation -- and the `StringExt` trait which abstracts string operations over both `std::string::String` and `InlinableString` (or even your own custom string type).
41
flexible-string
growingv0.1.0
A stack heap flexible string designed to improve performance
63
flexstr
growingv0.11.7
A flexible, simple to use, clone-efficient string type for Rust
Core Metrics
| inlinable_string | flexible-string | flexstr | |
|---|---|---|---|
| Health Score | 47 | 41 | 63 |
| Total Downloads | 19.8M | 21.2K | 1.1M |
| 30d Downloads | 1.3M | 626 | 30.1K |
| Dependents | 74 | 29 | 142 |
| Releases | 16 | 1 | 41 |
| Last Updated | 1543d ago | 1528d ago | 27d ago |
| Age | 10y 3m | 4y 2m | 4y 1m |
Health Breakdown
inlinable_string
Maintenance
4
Quality
13
Community
10
Popularity
8
Documentation
12
flexible-string
Maintenance
1
Quality
16
Community
9
Popularity
5
Documentation
10
flexstr
Maintenance
17
Quality
14
Community
12
Popularity
7
Documentation
13
Technical Details
| inlinable_string | flexible-string | flexstr | |
|---|---|---|---|
| Version | 0.1.15 | 0.1.0 | 0.11.7 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0/MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 0 | 8 |
| Crate Size | 19KB | 20KB | 45KB |
| Features | 2 | 0 | 13 |
| Yanked % | 12.5% | 0.0% | 7.3% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •flexstr leads with a health score of 63/100, but none of the options score above 80.
- •inlinable_string has the most downloads (19.8M), suggesting wider adoption.
- •flexstr is depended on by 142 crates — strongest ecosystem trust.
- •⚠ inlinable_string, flexible-string have not been updated in over a year.