Lean - 30 Metrics & AHP Score
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.
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 | 21164 | 157 |
| Stack Overflow Tags | 246705 | 173 |
| TIOBE Rank | 131 | |
| RedMonk Rank | 131 | |
| PYPL Rank | 131 | |
| Average Salary (USD) | 68587 | 158 |
| Job Postings | 16193 | 138 |
| Benchmarks Score | 0.43 | 129 |
| Learning Curve | Easy | |
| Community Size | Small | |
| Documentation Quality | 2 | |
| Ecosystem Maturity | 2 | |
| Industry Adoption | 2 | |
| Type System Complexity | 3 | |
| Concurrency Support | 1 | |
| Performance - Execution Speed | 1 | |
| Performance - Memory Usage | 1 | |
| Performance - Startup Time | 1 | |
| Tooling Quality | 2 | |
| Package Manager Quality | 3 | |
| IDE Support | 1 | |
| Debugging Experience | 1 | |
| GitHub Stars Rank | 157 | |
| Stack Overflow Tags Rank | 173 | |
| Average Salary Rank | 158 | |
| Job Postings Rank | 138 | |
| Benchmarks Rank | 129 | |
| Learning Curve Score | 8 | |
| Community Size Score | 3 | |
| AHP Score | 2.95 | 188 |
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: 2.95 (#188)