Changes between Version 3 and Version 4 of Enum

Timestamp:

12/01/10 06:07:19 (14 years ago)

Author:

hopscc

Comment:

Update for ganged members and show inclusion testing

Enum

@@ -4 +4 @@
 By default the underlying type of the enumeration elements is int and the first enumerator
 has the value 0 with the value of each successive enumerator increased by 1.[[BR]] 
-Enumerators can have initializers to override the default values.
+Enumerators can have initialisers to override the default values.
 
 In Cobra an enumeration is declared with the '''enum''' keyword followed by the enumeration name.[[BR]]
-As this is a type the name must start with an uppercase letter.[[BR]]
-Enumeration element names (with optional initialiser values) follow indented on subsequent lines.
+As this is a type the enum name must start with an uppercase letter.[[BR]]
+Enumeration element names (with optional initialiser values) follow individually on subsequent lines each equally indented
+or with multiple comma separated on the same line.
+
+{{{
+#!cobra
+enum States
+    Init
+    Valid
+    Working
+    Dead
+
+enum Tasks
+    ChopWood, CarryWater
+    Enlightenment
+}}}
 
 Emumerations are referenced by the Enumeration class name dotted with the enumeration element name[[BR]]
 or like a constructor call: {{{enumName(enumElementName) }}}.
+
+{{{
+#!cobra
+e = MyEnum.Start
+e1 = MyEnum(Start)
+}}}
 
 Multiple elements can be or'd together by specifying multiple elementNames comma separated 
@@ -49 +69 @@
         yesterday = Day(Thu)
         weekend = Days(Sat, Sun)
+
+        isWeekend = today in [Days.Sat, Days.Sun] # explicit test enum member inclusion
+
+
+enum OtherDays 
+    Mon, Tue, Wed, Thu, Fri
+    Sat, Sun
 }}}
 
-See the effect of System.!FlagsAttribute on an enum 
+== Platform ==
+On .Net see the effect of System.!FlagsAttribute on an enum 
 {{{
 #!cobra
@@ -66 +94 @@
         print options
         print options to int
+        assert (options & CarOptions.SunRoof) == CarOptions.SunRoof  # bitwise test combined options
 
 /# Output is