Lua Fundamentals Training Course

Introduction to Lua

• Historical background
• Objectives, features, and non-objectives of Lua
• Documentation and tutorial resources
• Installation of the Lua interpreter
• Configuration and usage of LuaRocks

Core syntax and semantics

• Variable identifiers
• Comments and block comments
• Global variables and enforcing strict mode
• Local variable scope
• Standalone program execution 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
• Differences between references/objects and basic values
• The central role of tables in Lua

Tables and their flexibility

• Using tables as associative arrays
• Using tables as numeric arrays or sequences

Foundational control structures

• Conditional logic using if, then, elseif, else, and end
• Execution with while loops
• Utilization of repeat loops
• Basic for loop implementation

Managing errors

• Distinction between return values and exceptions
• Transforming return values into exceptions
• Catching exceptions as return values
• Managing error levels

Practical examples

• Evaluating polynomials
• Implementing breadth-first search
• Supplementary practice exercises

Advanced function concepts

• Usage of named arguments
• Object-oriented function calling conventions
• Working with closures
• Understanding currying
• Tail call optimization
• Handling multiple assignments and returns
• Managing variable arguments (varargs)

Iterators and coroutines

• Implementing the generic for loop
• Comparing stateless and stateful iterators
• Distinguishing between iterators and coroutines

Metatables and metamethods

• Demonstrating set operations
• Applying the __tostring metamethod
• Implementing arithmetic metamethods
• Using __index and __newindex metamethods
• Utilizing the __len metamethod

Modules and packages

• Incorporating existing modules
• Building custom modules
• Structuring modules into packages

Object-oriented programming

• Core components of OOP in Lua
• Practical implementation examples

Discussion on advanced language features

• Implementation of weak tables
• Use of finalizers
• Processes for compilation, evaluation, and loading