Decision Workspace
serde-env-field vs format_env vs tenv
Side-by-side comparison of Rust crates
40
serde-env-field
growingv0.4.0
A helper for serde deserialization with environment variables expansion
42
format_env
growingv1.0.1
Substitutes environment variables into a string literal at compile time
38
tenv
growingv0.3.0
Small CLI for running commands with temporary environment variables
Core Metrics
| serde-env-field | format_env | tenv | |
|---|---|---|---|
| Health Score | 40 | 42 | 38 |
| Total Downloads | 12.9K | 3.0K | 2.7K |
| 30d Downloads | 396 | 5 | 4 |
| Dependents | 0 | 0 | 0 |
| Releases | 10 | 2 | 2 |
| Last Updated | 171d ago | 1960d ago | 1311d ago |
| Age | 2y 5m | 5y 4m | 3y 7m |
Health Breakdown
serde-env-field
Maintenance
10
Quality
7
Community
5
Popularity
5
Documentation
13
format_env
Maintenance
3
Quality
20
Community
6
Popularity
4
Documentation
9
tenv
Maintenance
4
Quality
14
Community
6
Popularity
4
Documentation
10
Technical Details
| serde-env-field | format_env | tenv | |
|---|---|---|---|
| Version | 0.4.0 | 1.0.1 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 8 | 1 | 6 |
| Crate Size | 16KB | 2KB | 12KB |
| Features | 0 | 0 | 0 |
| Yanked % | 40.0% | 0.0% | 0.0% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •format_env leads with a health score of 42/100, but none of the options score above 80.
- •serde-env-field has the most downloads (12.9K), suggesting wider adoption.
- •⚠ format_env, tenv have not been updated in over a year.
- •serde-env-field, tenv are pre-1.0 — API may change.