KRL Manual

This is the manual for the Kinetic Rule Language. 

• Overview
  • Evented Systems vs Request-Response Systems
  • Why Use the Kinetic Rule Language?
  • Programming in KRL
  • What Happens When an Event Is Raised?
    • send_directive()
• Rulesets
  • Global Section
  • Rules
    • Rules Are Simply Conditional Actions
    • The select Statement
    • Looping in Rules
    • Prelude
      • Declarations
        • Declaration Semantics
      • Event Attributes
    • Actions
      • Taking Action
        • send_raw
      • Compound Actions
      • noop()
    • Postlude
      • Guard Conditions
      • Control Statements
      • Explicit Logging
      • Raising Explicit Events in the Postlude
      • Explicit Events for Error Handling
  • Meta Section
• Event Expressions
  • Finding Individual Events
    • Attribute Matching
    • Capturing Values
    • Attribute Expressions
  • Event Scenarios
  • Compound Events
    • Event Operators
    • Event Expressions and Time
    • Variable Arity Event Operators
    • Group Operators
    • Variable Correlation Between Eventexes
    • Aggregators
  • Eventex Examples
• KRL Expression Language
  • Literals
    • Booleans
    • Numbers
    • Strings
    • Regular Expressions
    • Arrays
    • Maps
    • Extended Quoting
    • Beestings
  • Identifiers
  • Predicate Expressions
  • Arithmetic Expressions
  • String Expressions
  • Conditional Expressions
  • Functions
    • Using Optional and Named Parameters
  • User-Defined Actions
  • Operators
    • Universal Operators
    • Number Operators
    • String Operators
    • Array Operators
    • Map Operators
    • Set Operators
    • Boolean Operators
  • pick() and query()
    • pick()
    • query()
  • Flow Control
• Libraries
  • engine
  • event
  • HTTP
  • random
  • schedule
  • time
  • CSV
  • ical
  • math
  • rss
  • URI
  • indy
  • Telnet
  • meta
• Persistent Variables
  • Using Persistents in Preludes
  • Using Persistents in Conditions
  • Mutating Persistents in the Postlude
  • Querying Persistent Variables
• Grammar
• User Defined Modules