Lua Fundamentals Training Course

Introduction to Lua

• Historical background
• Lua's objectives, characteristics, and non-objectives
• Accessing Lua documentation and tutorials
• Installing the Lua interpreter
• Configuring and utilizing LuaRocks

Foundational syntax and semantics

• Identifiers
• Comments and block comments
• Global variables and strictness enforcement
• Local variables
• Standalone programs and command-line arguments
• Compilation units, chunks, expressions, and semicolons

Data types and structures

• Primitive types: nil, boolean, number, string
• Reference types: function, userdata, thread, table
• Distinction between references/objects and basic values
• The central role of tables in Lua

Exploring tables and their flexibility

• Tables as associative arrays
• Tables as numeric arrays or sequences

Core control structures

• Conditional logic using if, then, elseif, else, and end
• The while loop
• The repeat loop
• The basic for loop

Managing errors

• Comparing return values and exceptions
• Converting return values into exceptions
• Converting exceptions into return values
• Understanding error levels

Practical program examples

• Evaluating polynomials
• Implementing breadth-first search
• Additional practical exercises

Advanced function concepts

• Named arguments
• Object-oriented invocation styles
• Closures
• Currying
• Tail calls
• Multiple assignment and return values
• Variable-length argument lists (varargs)

Iterators and coroutines

• The generic for loop
• Distinguishing stateless and stateful iterators
• Differences between iterators and coroutines

Metatables and metamethods

• Implementing a set data structure
• The __tostring metamethod
• Arithmetic operations via metamethods
• The __index and __newindex metamethods
• The __len metamethod

Modules and packages

• Utilizing existing modules
• Developing custom modules
• Organizing modules into packages

Object-oriented programming

• Core components of OOP in Lua
• Practical examples

Discussion on advanced language capabilities

• Weak tables
• Finalizers
• Compilation, evaluation, and loading mechanisms