diff options
| -rw-r--r-- | d.html.markdown | 32 | 
1 files changed, 15 insertions, 17 deletions
| diff --git a/d.html.markdown b/d.html.markdown index 88a83e41..ea1c1700 100644 --- a/d.html.markdown +++ b/d.html.markdown @@ -74,16 +74,18 @@ are passed to functions by value (i.e. copied) and classes are passed by referen  we can use templates to parameterize all of these on both types and values!  ```c -// Here, T is a type parameter. Think <T> from C++/C#/Java +// Here, 'T' is a type parameter. Think '<T>' from C++/C#/Java.  struct LinkedList(T) {      T data = null; -    LinkedList!(T)* next; // The ! is used to instaniate a parameterized type. Again, think <T> + +    // Use '!' to instantiate a parameterized type. Again, think '<T>'. +    LinkedList!(T)* next;  }  class BinTree(T) {      T data = null; -    // If there is only one template parameter, we can omit the parentheses +    // If there is only one template parameter, we can omit the parentheses.      BinTree!T left;      BinTree!T right;  } @@ -98,13 +100,11 @@ enum Day {      Saturday,  } -// Use alias to create abbreviations for types - +// Use alias to create abbreviations for types.  alias IntList = LinkedList!int;  alias NumTree = BinTree!double;  // We can create function templates as well! -  T max(T)(T a, T b) {      if(a < b)          return b; @@ -112,9 +112,8 @@ T max(T)(T a, T b) {      return a;  } -// Use the ref keyword to ensure pass by referece. -// That is, even if a and b are value types, they -// will always be passed by reference to swap +// Use the ref keyword to ensure pass by reference. That is, even if 'a' and 'b' +// are value types, they will always be passed by reference to 'swap()'.  void swap(T)(ref T a, ref T b) {      auto temp = a; @@ -122,13 +121,13 @@ void swap(T)(ref T a, ref T b) {      b = temp;  } -// With templates, we can also parameterize on values, not just types +// With templates, we can also parameterize on values, not just types.  class Matrix(uint m, uint n, T = int) {      T[m] rows;      T[n] columns;  } -auto mat = new Matrix!(3, 3); // We've defaulted type T to int +auto mat = new Matrix!(3, 3); // We've defaulted type 'T' to 'int'.  ``` @@ -138,21 +137,20 @@ have the syntax of POD structures (`structure.x = 7`) with the semantics of  getter and setter methods (`object.setX(7)`)!  ```c -// Consider a class parameterized on a types T, U - +// Consider a class parameterized on types 'T' & 'U'.  class MyClass(T, U) {      T _data;      U _other; -  } -// And "getter" and "setter" methods like so +// And "getter" and "setter" methods like so:  class MyClass(T, U) {      T _data;      U _other; -    // Constructors are always named `this` +    // Constructors are always named 'this'.      this(T t, U u) { +        // This will call the setter methods below.          data = t;          other = u;      } @@ -175,8 +173,8 @@ class MyClass(T, U) {          _other = u;      }  } -// And we use them in this manner +// And we use them in this manner:  void main() {      auto mc = MyClass!(int, string); | 
