Changes between Version 3 and Version 4 of code/doc/MultiType

Timestamp:

Sep 22, 2008, 8:33:10 PM (16 years ago)

Author:

landauf

Comment:

—

code/doc/MultiType

@@ -65 +65 @@
  * '''setValue<'''''type'''''>('''''value''''')''': This changes the type and assigns a new value. The new value may be of another value than ''type'', it will be converted.
 
+=== Interaction with other !MultiTypes ===
+ * You can assign a !MultiType to another !MultiType. The value of the other !MultiType will then be converted to the internal type of the first !MultiType: myMT '''=''' otherMT; or myMT.'''setValue('''''otherMT''''')''';
+ * If you don't want to convert the value of the other !MultiType but assigning value AND type, use myMT.'''copy('''''otherMT''''')'''.
+ * You can convert the value of a !MultiType to the type of another !MultiType by calling myMT.'''convert('''''otherMT''''')'''.
+ * You can do the same with myMT.'''setType('''''otherMT''''')'''.
+ * Of course myMT.'''setValue<'''''type'''''>('''''otherMT''''')''' works too.
 
 == Types ==
@@ -106 +112 @@
                              // Note: The string was converted to an int
 
-value.setValue<float>(12.3); // internal type: float, value: 12.3
-                             // Note: Now we changed the type to float and 12.3 can
-                             //       be assigned without loss of precision
+value.setValue<float>(12.3); // internal type: float, value: 12.3f
+                             // Note: Now we changed the type to float and the value
+                             //       12.3 can now be assigned without loss of precision
 
 value.convert<int>();        // internal type: int,   value: 12
                              // Note: We converted the value back to int, so it's 12 again
+
+value.setValue<float>("50"); // internal type: float, value: 50.0f
+                             // Note: We changed the type to float
+                                      We assigned the string "50"
+                                      The string was converted to the float 50.0f
 }}}
 
 {{{
-MultiType value1 = 10;   // internal type: int,   value: 10
-MultiType value2 = 12.3; // internal type: float, value: 12.3
+MultiType value1 = "10";   // value1: internal type: string, value: "10"
+MultiType value2;          // value2: currently empty
 
-value2.convert(value1);  // internal type: int,   value: 12
+value2.setType<float>();   // value2: internal type: float,  value: 0.0f
+
+value2 = value1;           // value2: internal type: float,  value: 10.0f
+}}}
+
+{{{
+MultiType value1 = 10;   // value1: internal type: int,   value: 10
+MultiType value2 = 12.3; // value2: internal type: float, value: 12.3
+
+value2.convert(value1);  // value2: internal type: int,   value: 12
 
 // Note: The internal type of value2 was converted to the internal type of value1 (int)