Decision Workspace
if_lang vs sema-lang vs formalang
Side-by-side comparison of Rust crates
53
if_lang
experimentalv0.1.4
Intent-first functional IR language for LLM-friendly logic drafts
52
sema-lang
experimentalv1.10.0
Sema — a Lisp dialect with first-class LLM primitives
50
formalang
experimentalv0.0.5-beta
FormaLang compiler frontend: lexer, parser, semantic analyzer, and IR lowering.
Core Metrics
| if_lang | sema-lang | formalang | |
|---|---|---|---|
| Health Score | 53 | 52 | 50 |
| Total Downloads | 79 | 87 | 78 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 1 |
| Releases | 5 | 6 | 4 |
| Last Updated | 112d ago | 94d ago | 20d ago |
| Age | 3m | 3m | 22d |
Health Breakdown
if_lang
Maintenance
18
Quality
14
Community
6
Popularity
2
Documentation
13
sema-lang
Maintenance
20
Quality
14
Community
6
Popularity
2
Documentation
10
formalang
Maintenance
18
Quality
11
Community
7
Popularity
2
Documentation
12
Technical Details
| if_lang | sema-lang | formalang | |
|---|---|---|---|
| Version | 0.1.4 | 1.10.0 | 0.0.5-beta |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 2 | 10 | 12 |
| Crate Size | 51KB | 105KB | 326KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •if_lang leads with a health score of 53/100, but none of the options score above 80.
- •sema-lang has the most downloads (87), suggesting wider adoption.
- •if_lang, formalang are pre-1.0 — API may change.