Writing An Interpreter In Go

Acknowledgments
Introduction
	The Monkey Programming Language & Interpreter
	Why Go?
	How to Use this Book
Lexing
	1.1 - Lexical Analysis
	1.2 - Defining Our Tokens
	1.3 - The Lexer
	1.4 - Extending our Token Set and Lexer
	1.5 - Start of a REPL
Parsing
	2.1 - Parsers
	2.2 - Why not a parser generator?
	2.3 - Writing a Parser for the Monkey Programming Language
	2.4 - Parser's first steps: parsing let statements
	2.5 - Parsing Return Statements
	2.6 - Parsing Expressions
		Expressions in Monkey
		Top Down Operator Precedence (or: Pratt Parsing)
		Terminology
		Preparing the AST
		Implementing the Pratt Parser
		Identifiers
		Integer Literals
		Prefix Operators
		Infix Operators
	2.7 - How Pratt Parsing Works
	2.8 - Extending the Parser
		Boolean Literals
		Grouped Expressions
		If Expressions
		Function Literals
		Call Expressions
		Removing TODOs
	2.9 - Read-Parse-Print-Loop
Evaluation
	3.1 - Giving Meaning to Symbols
	3.2 - Strategies of Evaluation
	3.3 - A Tree-Walking Interpreter
	3.4 - Representing Objects
		Foundation of our Object System
		Integers
		Booleans
		Null
	3.5 - Evaluating Expressions
		Integer Literals
		Completing the REPL
		Boolean Literals
		Null
		Prefix Expressions
		Infix Expressions
	3.6 - Conditionals
	3.7 - Return Statements
	3.8 - Abort! Abort! There's been a mistake!, or: Error Handling
	3.9 - Bindings & The Environment
	3.10 - Functions & Function Calls
	3.11 - Who's taking the trash out?
Extending the Interpreter
	4.1 - Data Types & Functions
	4.2 - Strings
		Supporting Strings in our Lexer
		Parsing Strings
		Evaluating Strings
		String Concatenation
	4.3 - Built-in Functions
		len
	4.4 - Array
		Supporting Arrays in our Lexer
		Parsing Array Literals
		Parsing Index Operator Expressions
		Evaluating Array Literals
		Evaluating Index Operator Expressions
		Adding Built-in Functions for Arrays
		Test-Driving Arrays
	4.5 - Hashes
		Lexing Hash Literals
		Parsing Hash Literals
		Hashing Objects
		Evaluating Hash Literals
		Evaluating Index Expressions With Hashes
	4.6 - The Grand Finale
Going Further
	The Lost Chapter
	Writing A Compiler In Go
Resources
Feedback
Changelog