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All LessonsFree Lessons (7)

A Brief Introduction

The Nature of the Language Operators Expressions and Statements Quiz

Data Types

Introduction Integers Booleans Floats Characters Strings Polymorphic Comparison Type Conversions Type Errors Quiz

Identifiers

Introduction let Binding Type-Specific Identifiers Scope Type Definition Mutability Quiz Exercise: Mutable Integers Solution Review: Mutable Integers

Data Structures

Introduction Tuples Pattern Matching Records Nested Records Record Mutation Arrays Basic Array Functions Pattern Matching with Arrays Quiz 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

The if-else Expression

The switch Keyword

The Ternary Operator

Exercise: String Comparison

Solution Review: String Comparison

Exercise: Number Sequence

Solution Review: Number Sequence

Functions

Introduction Function Definition Function Scope Currying Functions with Records Functions as Values Recursive Functions The Unit Data Type Labels Operator Functions Polymorphic Functions Quiz 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

Introduction For Loops While Loops Quiz 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

Introduction Variant Types Variant Constructors Examples of Variants The option Type Lists Further List Operations Quiz Exercise: Count Even Integers in a List Solution Review: Count Even Integers in a List Exercise: Pedestrian Movement Solution Review: Pedestrian Movement

Objects

Introduction Object Creation Private Methods Open Objects Mutability Quiz Exercise: The Calculator Object Solution Review: The Calculator Object

Functional Programming with ReasonML/

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Exercise: String Comparison

Exercise: String Comparison

Let's create conditions based on the lengths of strings.

We'll cover the following...

Problem Statement

You are given three strings, str1, str2.

If str1 is longer in length, str2 will be appended to it. If ...