Refactoring: Improving the Design of Existing Code

Index

Symbols and Numbers

_ (leading underscore), in function names, 386

== operator (Ruby), 255

A

add method (for collections), 170

Add Parameter. See Change Function Declaration

Agile software methods, 63

Algorithms, substituting, 195–196, 230, 309

Alternative classes with different interfaces, 83

Ambler, Scott, 70

and logical operator, 264–265

Application Programming Interfaces (APIs), refactoring, 126–128

Architecture

decaying over time, 47

refactoring and, 62–63

testability of, 99

Arrays, sorting, 173

Assertion libraries (Mocha framework), 92

Assertions

applicability of, 302, 304

introducing, 84, 98, 129, 208, 211, 249–250, 302–304

Assignments

removing to parameters, 112

Assumptions, for values, 302

Automated refactoring tools, 131

B