ScalaByExample.pdf
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2025-05-12
Function
Simple
Expressions
Point
kafka
First-Class
Anonymous
15.1
185
Recursion
865.8 KB
Scala By Example
DRAFT
May 24, 2011
Martin Odersky
PROGRAMMING METHODS LABORATORY
EPFL
SWITZERLAND
Contents
1 Introduction 1
2 A First Example 3
3 Programming with Actors and Messages 7
4 Expressions and Simple Functions 11
4.1 Expressions And Simple Functions . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.3 Conditional Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.4 Example: Square Roots by Newton’s Method . . . . . . . . . . . . . . . . 15
4.5 Nested Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.6 Tail Recursion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5 First-Class Functions 21
5.1 Anonymous Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.2 Currying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3 Example: Finding Fixed Point
Function/Simple/Expressions/Point/kafka/First-Class/Anonymous/15.1/185/Recursion/
Function/Simple/Expressions/Point/kafka/First-Class/Anonymous/15.1/185/Recursion/
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