Enumerations: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,079: / Line 1,079: @@
 =={{header|Nim}}==
-<lang nim>type Fruits = enum Apple, Banana, Cherry
+<lang nim># Simple declaration.
+type Fruits1 = enum aApple, aBanana, aCherry
+# Specifying values (accessible using "ord").
-type Fruits = enum Apple = 0, Banana = 1, Cherry = 2 # with values
+type Fruits2 = enum bApple = 0, bBanana = 2, bCherry = 5
+# Enumerations with a scope which prevent name conflict.
-type Fruits {.pure.} = enum Apple, Banana, Cherry # scoped enum
+type Fruits3 {.pure.} = enum Apple, Banana, Cherry
-var i: int = Apple # error for scoped enum
+type Fruits4 {.pure.} = enum Apple = 3, Banana = 8, Cherry = 10
+var x = Fruits3.Apple  # Need to qualify as there are several possible "Apple".
+# Using vertical presentation and specifying string representation.
-type Fruits = enum Apple = "Apple", Banana = "Banana", Cherry = "Cherry" # with string literals</lang>
+type Fruits5 = enum
+  cApple = "Apple"
+  cBanana = "Banana"
+  cCherry = "Cherry"
+echo cApple   # Will display "Apple".
+# Specifying values and/or string representation.
+type Fruits6 = enum
+  Apple = (1, "apple")
+  Banana = 3            # implicit name is "Banana".
+  Cherry = "cherry"     # implicit value is 4.</lang>
 =={{header|Objeck}}==