Ruby Syntax

• Syntax and Expressions

  • Identifiers

  • Comments

  • Reserved Words

  • Expressions

• Variables and Constants

  • Global Variables

  • Instance Variables

  • Local Variables

  • Constants

  • Pseudo Variables

• Literals

  • Number Literals

  • String Literals

    • Backslash Notation

    • Formula Development

  • Array Expressions

  • Hash Expressions

  • Range Expressions

  • Symbols

• Operational Forms

  • Assignment

    • Self-assignment

    • Multiple Assignment

  • and

  • or

  • not

  • Conditional Operators

• Control Structures

  • Conditional Branching

    • if

    • if Modifier

    • unless

    • unless Modifier

    • case

  • Looping

    • while

    • while Modifier

    • until

    • until Modifier

    • for

    • break

    • next

  • Exception Handling

    • raise

    • begin

    • rescue Modifiers

  • Method Ending

    • return

• Calling Methods

  • super

  • Iterators

  • yield

• Defining Classes and Methods

  • Class Definition

  • Module Definition

  • Method Definition

    • Method Evaluation

  • Unique Method Definition

  • Class Method Definition

  • Definition Controls

    • alias