Coding Patterns page 3 of 147 9/30/2006
STATE..........................................................................................................................................................59
INSTANCE VARIABLES....................................................................................................................................60
Common State........................................................................................................................................................ 61
Variable State......................................................................................................................................................... 62
Explicit Initialization.............................................................................................................................................. 63
Lazy Initialization .................................................................................................................................................. 65
Default Value Method............................................................................................................................................ 66
Constant Method.................................................................................................................................................... 67
Direct Variable Access........................................................................................................................................... 68
Indirect Variable Access ........................................................................................................................................ 69
Getting Method ...................................................................................................................................................... 70
Setting Method....................................................................................................................................................... 71
Collection Accessor Method .................................................................................................................................. 72
Enumeration Method.............................................................................................................................................. 74
Boolean Property Setting Method.......................................................................................................................... 75
Role Suggesting Instance Variable Name .............................................................................................................. 76
TEMPORARY VARIABLES................................................................................................................................77
Temporary Variable ............................................................................................................................................... 78
Collecting Temporary Variable.............................................................................................................................. 79
Caching Temporary Variable ................................................................................................................................. 80
Explaining Temporary Variable............................................................................................................................. 81
Reusing Temporary Variable ................................................................................................................................. 82
Role Suggesting Temporary Variable Name.......................................................................................................... 83
COLLECTIONS..........................................................................................................................................84
CLASSES.........................................................................................................................................................85
Collection............................................................................................................................................................... 86
OrderedCollection.................................................................................................................................................. 87
RunArray................................................................................................................................................................ 88
Set .......................................................................................................................................................................... 89
Equality Method..................................................................................................................................................... 91
Hashing Method..................................................................................................................................................... 93
Dictionary............................................................................................................................................................... 94
SortedCollection..................................................................................................................................................... 96
Array ...................................................................................................................................................................... 97
ByteArray............................................................................................................................................................... 98
Interval................................................................................................................................................................... 99
COLLECTION PROTOCOL...............................................................................................................................101
IsEmpty................................................................................................................................................................ 102
Includes:............................................................................................................................................................... 103
Concatentation ..................................................................................................................................................... 104
Enumeration......................................................................................................................................................... 105
Do......................................................................................................................................................................... 106
Collect.................................................................................................................................................................. 107
Select/Reject......................................................................................................................................................... 108
Detect................................................................................................................................................................... 109
Inject:into:............................................................................................................................................................ 110
COLLECTION IDIOMS ....................................................................................................................................111
Duplicate Removing Set....................................................................................................................................... 112
Temporarily Sorted Collection............................................................................................................................. 113
Stack..................................................................................................................................................................... 114
Queue................................................................................................................................................................... 115
Searching Literal.................................................................................................................................................. 117
Lookup Cache ...................................................................................................................................................... 118
Parsing Stream ..................................................................................................................................................... 120
Concatenating Stream .......................................................................................................................................... 121
CLASSES ...................................................................................................................................................122
Simple Superclass Name...................................................................................................................................... 123
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