Decision Workspace
u16cstr vs widestring vs cstr_core
Side-by-side comparison of Rust crates
47
u16cstr
growingv0.6.0
A macro for creating c-style u16 wide strings at compile time.
63
widestring
growingv1.2.1
A wide string Rust library for converting to and from wide strings, such as those often used in Windows API or other FFI libaries. Both `u16` and `u32` string types are provided, including support for UTF-16 and UTF-32, malformed encoding, C-style strings, etc.
56
cstr_core
growingv0.2.6
Implementation of CStr and CString for no_std environments.
Core Metrics
| u16cstr | widestring | cstr_core | |
|---|---|---|---|
| Health Score | 47 | 63 | 56 |
| Total Downloads | 17.9K | 71.9M | 2.9M |
| 30d Downloads | 244 | 4.7M | 80.5K |
| Dependents | 46 | 2.5K | 515 |
| Releases | 10 | 18 | 10 |
| Last Updated | 111d ago | 170d ago | 1347d ago |
| Age | 4y 8m | 10y 2m | 8y 5m |
Health Breakdown
u16cstr
Maintenance
10
Quality
11
Community
8
Popularity
5
Documentation
13
widestring
Maintenance
9
Quality
19
Community
15
Popularity
8
Documentation
12
cstr_core
Maintenance
5
Quality
18
Community
13
Popularity
8
Documentation
12
Technical Details
| u16cstr | widestring | cstr_core | |
|---|---|---|---|
| Version | 0.6.0 | 1.2.1 | 0.2.6 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0/MIT |
| Dependencies | 3 | 3 | 2 |
| Crate Size | 4KB | 90KB | 18KB |
| Features | 0 | 4 | 6 |
| Yanked % | 10.0% | 5.6% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | — | 1.58 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •widestring leads with a health score of 63/100, but none of the options score above 80.
- •widestring is depended on by 2.5K crates — strongest ecosystem trust.
- •⚠ cstr_core has not been updated in over a year.
- •u16cstr, cstr_core are pre-1.0 — API may change.