# Feature Comparison
Comparing Features of Other Rust GraphQL Implementations
**Please let me know if there is anything wrong.**
| async/await | 👍 | ⛔️ |
| Rustfmt friendly(No DSL) | 👍 | ⛔️ |
| Boilerplate | less | some |
| Query | 👍 | 👍 |
| Mutation | 👍 | 👍 |
| Type Safety | 👍 | 👍 |
| Interfaces | 👍 | 👍 |
| Union | 👍 | 👍 |
| Dataloading | 👍 | 👍 |
| Custom Scalar | 👍 | 👍 |
| Custom Error | 👍 | 👍 |
| Extensions | 👍 | ⛔️ |
| Cursor Connections | 👍 | ⛔️ |
| Query complexity/depth | 👍 | ⛔️ |
| Input validators | 👍 | ⛔️ |
| Field guard | 👍 | ⛔️ |
| Multipart request(upload file) | 👍 | ⛔️ |
| Subscription | 👍 | ⛔️ |
| Opentracing | 👍 | ⛔️ |
| Apollo Federation | 👍 | ⛔️ |
| Apollo Tracing | 👍 | ⛔️ |