λ dmx-fun

A functional programming library for Java

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⚡

Pure Functions

Build reliable and testable code with pure functional programming principles.

🔄

Immutability

Work with immutable data structures to avoid side effects and race conditions.

🎯

Type Safety

Leverage Java's type system for compile-time guarantees and safer code.

🛠️

Rich API

Comprehensive collection of functional utilities for everyday programming tasks.

📦

Zero Dependencies

Lightweight library with no external dependencies, easy to integrate.

🚀

Production Ready

Battle-tested in production environments with comprehensive test coverage.

Quick Example

import codes.domix.fun.Option;
import codes.domix.fun.Try;
import java.util.function.Function;

public class QuickExample {
    record User(String name, String email, String password) {
    }

    Function<String, Option<User>> findUser = email
        -> Option.some(new User("User", email, "secret"));

    private String getUserName(String email) {
        // Handle options safely
        return findUser.apply(email)
            .map(User::name)
            .getOrElse("Anonymous");
    }

    private void parseInt(String name) {
        // Handle errors functionally
        Try.of(() -> Integer.parseInt(name))
            .recover(throwable -> {
                System.out.println("Error parsing: " + throwable.getMessage());
                return 0;
            })
            .onSuccess(System.out::println);
    }
}

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Add functional programming power to your Java projects today.

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