Lua Programming

2.

Lua Language Fundamentals

2.1.

Basic Syntax and Structure

2.1.1.

2.1.1.1.

Single-Line Comments

2.1.1.2.

Multi-Line Comments

2.1.2.

Keywords and Reserved Words

2.1.3.

Identifiers and Naming Conventions

2.1.4.

Code Blocks and Chunks

2.1.5.

Statement Termination

2.2.

Variables and Scope

2.2.1.

Global Variables

2.2.1.1.

Declaration and Assignment

2.2.1.2.

Default Global Scope

2.2.2.

Local Variables

2.2.2.1.

Local Declaration with `local`

2.2.2.2.

Variable Lifetime and Visibility

2.2.3.

2.2.3.1.

2.2.3.2.

Variable Shadowing

2.3.

2.3.1.

2.3.1.1.

Representation of Absence

2.3.1.2.

Default Variable Value

2.3.2.

2.3.2.1.

True and False Values

2.3.2.2.

Truthiness and Falsiness Rules

2.3.3.

2.3.3.1.

Integer Representation

2.3.3.2.

Floating-Point Representation

2.3.3.3.

Numeric Limits and Precision

2.3.4.

2.3.4.1.

String Literals and Quotes

2.3.4.2.

Escape Sequences

2.3.4.3.

Multiline Strings

2.3.5.

2.3.5.1.

Functions as First-Class Values

2.3.5.2.

Anonymous Functions

2.3.6.

2.3.6.1.

Table Creation and Structure

2.3.6.2.

2.3.7.

2.3.7.1.

Purpose and C API Integration

2.3.8.

2.3.8.1.

Coroutine Objects

2.4.

2.4.1.

Arithmetic Operators

2.4.1.1.

2.4.1.2.

2.4.1.3.

2.4.1.4.

2.4.1.5.

2.4.1.6.

2.4.1.7.

2.4.2.

Relational Operators

2.4.2.1.

2.4.2.2.

2.4.2.3.

2.4.2.4.

2.4.2.5.

Less Than or Equal

2.4.2.6.

Greater Than or Equal

2.4.3.

Logical Operators

2.4.3.1.

2.4.3.2.

2.4.3.3.

2.4.3.4.

Short-Circuit Evaluation

2.4.4.

String Concatenation Operator

2.4.5.

Length Operator

2.4.5.1.

2.4.5.2.

2.4.6.

Operator Precedence and Associativity

2.5.

Type Checking and Conversion

2.5.1.

The `type()` Function

2.5.2.

Automatic Type Coercion

2.5.3.

Explicit Type Conversion

2.5.3.1.

String Conversion

2.5.3.2.

Number Conversion

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3. Control Flow Structures