Lean - 30 Metrics & AHP Score
Introduction
Lean is a Functional, Declarative, Dependent Types programming language first appeared in 2013, designed by Leonardo de Moura. Main use cases: Theorem Proving, Formal Verification, Academic Research.
30 Metrics
| Metric | Value | Rank |
|---|---|---|
| GitHub Stars | 21258 | 161 |
| Stack Overflow Tags | 323525 | 142 |
| TIOBE Rank | 130 | |
| RedMonk Rank | 142 | |
| PYPL Rank | 128 | |
| Average Salary (USD) | 69809 | 147 |
| Job Postings | 15574 | 149 |
| Benchmarks Score | 0.37 | 160 |
| Learning Curve | Easy | |
| Community Size | Small | |
| Documentation Quality | 4 | |
| Ecosystem Maturity | 3 | |
| Industry Adoption | 4 | |
| Type System Complexity | 1 | |
| Concurrency Support | 1 | |
| Performance - Execution Speed | 3 | |
| Performance - Memory Usage | 2 | |
| Performance - Startup Time | 4 | |
| Tooling Quality | 4 | |
| Package Manager Quality | 3 | |
| IDE Support | 3 | |
| Debugging Experience | 3 | |
| GitHub Stars Rank | 161 | |
| Stack Overflow Tags Rank | 142 | |
| Average Salary Rank | 147 | |
| Job Postings Rank | 149 | |
| Benchmarks Rank | 160 | |
| Learning Curve Score | 10 | |
| Community Size Score | 2 | |
| AHP Score | 3.81 | 148 |
Hello World Example
#eval IO.println "Hello, World!"
Main Use Cases
- Theorem Proving
- Formal Verification
- Academic Research
Popular Frameworks
- Mathlib
- Lean 4
AHP Score
Lean AHP Score: 3.81 (#148)