Scala for the Impatient, 3rd Edition

Chapter 11. Operators

Topics in This Chapter L1

• 11.1 Identifiers

• 11.2 Infix Operators

• 11.3 Unary Operators

• 11.4 Assignment Operators

• 11.5 Precedence

• 11.6 Associativity

• 11.7 The apply and update Methods

• 11.8 The unapply Method L2

• 11.9 The unapplySeq Method L2

• 11.10 Alternative Forms of the unapply and unapplySeq Methods L3

• 11.11 Dynamic Invocation L2

• 11.12 Typesafe Selection and Application L2

• Exercises

This chapter covers in detail implementing your own operators—methods with the same syntax as the familiar mathematical operators. Operators are often used to build domain-specific languages—minilanguages embedded inside Scala. Implicit conversions (type conversion functions that are applied automatically) are another tool facilitating the ...