It seems that your browser is not supported by our application.

Data Types

10 Lessons

Grasp the fundamentals of ReasonML's data types, including integers, booleans, floats, and type conversions.

Polymorphic Comparison

Type Conversions

Type Errors

Type-Specific Identifiers

Identifiers

9 Lessons

Break apart and understand identifiers, let binding, type-specific identifiers, scope, and mutability in ReasonML.

Introduction

let Binding

Exercise: Mutable Integers

Solution Review: Mutable Integers

Data Structures

16 Lessons

Grasp the fundamentals of ReasonML's data structures, including tuples, records, and arrays.

Basic Array Functions

Pattern Matching with Arrays

Exercise: Pattern Matching with Nested Tuples

Solution Review: Pattern Matching with Nested Tuples

Exercise: Mutable Nested Fields

Solution Review: Mutable Nested Fields

Exercise: Palindromic Arrays

Solution Review: Palindromic Arrays

Conditional Expressions

10 Lessons

Take a closer look at ReasonML's conditional constructs, including if-else, switch, and ternary operators.

Introduction

The if-else Expression

Exercise: String Comparison

Solution Review: String Comparison

Exercise: Number Sequence

Solution Review: Number Sequence

Functions

18 Lessons

Focus on defining, scoping, currying, and utilizing functions and their recursive, polymorphic, and operational capabilities in ReasonML.

Functions with Records

Polymorphic Functions

Exercise: Celsius to Fahrenheit

Solution Review: Celsius to Fahrenheit

Exercise: The Factorial of a Number

Solution Review: The Factorial of a Number

Exercise: Tuples from Records

Solution Review: Tuples from Records

Loops

8 Lessons

Practice using ReasonML loops to efficiently handle repeated operations and iterative processes.

Exercise: Find the Minimum in an Array

Solution Review: Find the Minimum in an Array

Exercise: The Factorial of a Number (Loops)

Solution Review: The Factorial of a Number (Loops)

Variants

12 Lessons

Learn how to use variants, constructors, option types, and lists in ReasonML.

Further List Operations

Exercise: Count Even Integers in a List

Solution Review: Count Even Integers in a List

Exercise: Pedestrian Movement

Solution Review: Pedestrian Movement

Objects

8 Lessons

Grasp objects' flexibility, creation, mutability, private methods, and open objects, with a calculator exercise.

Exercise: The Calculator Object

Solution Review: The Calculator Object

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Looks a bit advance? Start here.

Course

Learn Functional Programming in Haskell

Gain insights into Haskell's functional programming by learning to write pure functions, use pattern matching, recursion, and Lists, define data types, and execute IO operations.

4 hours

beginner

Course

Learn Functional Programming in Python

Gain insights into functional programming in Python, learn about functions as objects, recursion, closures, and generators, and discover how to confidently apply these concepts to your projects.

5 hours

beginner

Course

JavaScript in Detail: From Beginner to Advanced

Discover JavaScript fundamentals and advanced concepts, including OOP and asynchronous programming. Gain insights through projects and a final exam, enhancing your skills and portfolio.

12 hours

beginner

Learn Functional Programming in Haskell

4 hour

Learn Functional Programming in Python

5 hour

JavaScript in Detail: From Beginner to Advanced

12 hour

Trusted by 2.6 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Course

Learn Functional Programming in Haskell

Gain insights into Haskell's functional programming by learning to write pure functions, use pattern matching, recursion, and Lists, define data types, and execute IO operations.

4 hours

beginner

Course

Learn Functional Programming in Python

Gain insights into functional programming in Python, learn about functions as objects, recursion, closures, and generators, and discover how to confidently apply these concepts to your projects.

5 hours

beginner

Course

Advanced TypeScript Masterclass

Discover advanced TypeScript concepts: Gain insights into compiler flags, generic types, and discriminated unions. Delve into writing error-free code and mastering complex error messages with confidence.

6 hours

intermediate

Course

JavaScript in Detail: From Beginner to Advanced

Discover JavaScript fundamentals and advanced concepts, including OOP and asynchronous programming. Gain insights through projects and a final exam, enhancing your skills and portfolio.

12 hours

beginner

Learn Functional Programming in Haskell

4 hour

Learn Functional Programming in Python

5 hour