LambdaMOO Programmer's Manual

For LambdaMOO Version 1.8.0p6

March 1997

• Introduction
• The LambdaMOO Database
  • MOO Value Types
  • Objects in the MOO Database
    • Fundamental Object Attributes
    • Properties on Objects
    • Verbs on Objects
• The Built-in Command Parser
• The MOO Programming Language
  • MOO Language Expressions
    • Errors While Evaluating Expressions
    • Writing Values Directly in Verbs
    • Naming Values Within a Verb
    • Arithmetic Operators
    • Comparing Values
    • Values as True and False
    • Indexing into Lists and Strings
      • Extracting an Element from a List or String
      • Replacing an Element of a List or String
      • Extracting a Subsequence of a List or String
      • Replacing a Subsequence of a List or String
    • Other Operations on Lists
    • Spreading List Elements Among Variables
    • Getting and Setting the Values of Properties
    • Calling Built-in Functions and Other Verbs
    • Catching Errors in Expressions
    • Parentheses and Operator Precedence
  • MOO Language Statements
    • Errors While Executing Statements
    • Simple Statements
    • Statements for Testing Conditions
    • Statements for Looping
    • Terminating One or All Iterations of a Loop
    • Returning a Value from a Verb
    • Handling Errors in Statements
    • Cleaning Up After Errors
    • Executing Statements at a Later Time
  • MOO Tasks
  • Built-in Functions
    • Object-Oriented Programming
    • Manipulating MOO Values
      • General Operations Applicable to all Values
      • Operations on Numbers
      • Operations on Strings
      • Operations on Lists
    • Manipulating Objects
      • Fundamental Operations on Objects
      • Object Movement
      • Operations on Properties
      • Operations on Verbs
      • Operations on Player Objects
    • Operations on Network Connections
    • Operations Involving Times and Dates
    • MOO-Code Evaluation and Task Manipulation
    • Administrative Operations
• Server Commands and Database Assumptions
  • Built-in Commands
    • Command-Output Delimiters
    • Programming
    • Flushing Unprocessed Input
    • Initial Punctuation in Commands
  • Server Assumptions About the Database
    • Server Options Set in the Database
    • Server Messages Set in the Database
    • Checkpointing the Database
    • Accepting and Initiating Network Connections
    • Associating Network Connections with Players
    • Out-of-Band Commands
    • The First Tasks Run By the Server
    • Controlling the Execution of Tasks
    • Controlling the Handling of Aborted Tasks
    • Matching in Command Parsing
    • Restricting Access to Built-in Properties and Functions
    • Creating and Recycling Objects
    • Object Movement
    • Temporarily Enabling Obsolete Server Features
• Function Index

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