Decision Workspace
concat_const vs constcat vs concat-idents
Side-by-side comparison of Rust crates
45
concat_const
growingv0.2.0
const `&[u8]` and `&str` concatenation
57
constcat
growingv0.6.1
concat! with support for const variables and expressions
56
concat-idents
growingv1.1.5
Allows concatenating multiple identifiers and using them everywhere
Core Metrics
| concat_const | constcat | concat-idents | |
|---|---|---|---|
| Health Score | 45 | 57 | 56 |
| Total Downloads | 20.4K | 10.0M | 2.7M |
| 30d Downloads | 393 | 1.2M | 202.2K |
| Dependents | 26 | 501 | 629 |
| Releases | 5 | 11 | 7 |
| Last Updated | 353d ago | 313d ago | 1017d ago |
| Age | 2y 5m | 4y | 5y 7m |
Health Breakdown
concat_const
Maintenance
6
Quality
11
Community
10
Popularity
5
Documentation
13
constcat
Maintenance
9
Quality
17
Community
12
Popularity
8
Documentation
11
concat-idents
Maintenance
5
Quality
20
Community
11
Popularity
8
Documentation
12
Technical Details
| concat_const | constcat | concat-idents | |
|---|---|---|---|
| Version | 0.2.0 | 0.6.1 | 1.1.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 0 | 3 |
| Crate Size | 2KB | 9KB | 9KB |
| Features | 0 | 1 | 0 |
| Yanked % | 20.0% | 0.0% | 0.0% |
| Edition | 2021 | 2018 | 2018 |
| MSRV | — | 1.66 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •constcat leads with a health score of 57/100, but none of the options score above 80.
- •concat-idents is depended on by 629 crates — strongest ecosystem trust.
- •⚠ concat-idents has not been updated in over a year.
- •concat_const, constcat are pre-1.0 — API may change.