Generate Rust Structs from Config Object

Generate Rust structs with serde Serialize and Deserialize derives from a nested application configuration. Paste your config JSON and get typed Rust code.

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// Generated by DevBento — json-to-typescript
interface RootApp {
  name: string;
  version: string;
  debug: boolean;
}

interface RootDatabaseCredentials {
  user: string;
  password: string;
}

interface RootDatabase {
  host: string;
  port: number;
  credentials: RootDatabaseCredentials;
}

interface RootFeatures {
  darkMode: boolean;
  maxConnections: number;
  allowedOrigins: string[];
}

interface Root {
  app: RootApp;
  database: RootDatabase;
  features: RootFeatures;
}
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Generate Rust Structs from Config Object

Application configs have deep nesting: app settings, database credentials, feature flags. This example generates Rust structs from a multi-level config structure so you can deserialize configuration files directly in your Rust application.

What You Get

The tool produces:

How to Use

  1. The example loads with a sample application config in Rust mode
  2. The nested structure shows how each config section gets its own struct
  3. Copy the structs and paste them into your Rust project
  4. Replace with your actual config JSON to generate structs for your project

Real-World Pattern

Rust config libraries like config and figment work well with typed structs. Generate structs from your default config, then use serde_json::from_str or your config library’s decoder to populate them from JSON files, environment variables, or command-line flags.