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Auto-generate documentation for code

To auto-generate documentation for code, you can use tools that extract information from your code’s comments, annotations, and structure. Here’s a general overview tailored to common languages:


Python

Use Sphinx with docstrings (e.g., Google-style or NumPy-style).

Example:

python
def add(a: int, b: int) -> int: """ Adds two integers. Args: a (int): First number. b (int): Second number. Returns: int: Sum of a and b. """ return a + b

Auto-generate with Sphinx:

bash
pip install sphinx sphinx-quickstart # Edit conf.py to include your source directory sphinx-apidoc -o docs/ your_package/ make html # inside the docs/ directory

JavaScript / TypeScript

Use JSDoc for documentation.

Example:

js
/** * Adds two numbers together. * @param {number} a - First number * @param {number} b - Second number * @returns {number} Sum of a and b */ function add(a, b) { return a + b; }

Auto-generate docs:

bash
npm install -g jsdoc jsdoc yourfile.js -d docs

Java

Use Javadoc to create HTML documentation from doc comments.

Example:

java
/** * Adds two integers. * * @param a First number * @param b Second number * @return Sum of a and b */ public int add(int a, int b) { return a + b; }

Generate docs:

bash
javadoc -d docs YourClass.java

C#

Use XML comments and DocFX.

Example:

csharp
/// <summary> /// Adds two integers. /// </summary> /// <param name="a">First integer</param> /// <param name="b">Second integer</param> /// <returns>The sum</returns> public int Add(int a, int b) { return a + b; }

Generate docs:

bash
docfx init -q docfx build

Go

Use comments directly above functions. Go’s built-in tool generates docs.

Example:

go
// Add returns the sum of two integers. func Add(a int, b int) int { return a + b }

Generate docs:

bash
godoc -http=:6060 # Or use pkg.go.dev for publishing

Best Practices for Writing Doc Comments

  • Be concise and clear.

  • Describe parameters and return values.

  • Include usage examples when useful.

  • Follow a consistent format/style guide.

If you share a specific code file or language, I can auto-generate the documentation for you.

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