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Jidong Xiao
2023-11-25 00:08:54 -05:00
parent d216c13d6d
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lectures/25_garbage_collection/README.md
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@@ -22,6 +22,8 @@ have performance and memory usage disadvantages.
- For our discussion today, we’ll assume that all program data is stored in dynamically-allocated instances of the - For our discussion today, we’ll assume that all program data is stored in dynamically-allocated instances of the
following simple class. This class can be used to build linked lists, trees, and graphs with cycles: following simple class. This class can be used to build linked lists, trees, and graphs with cycles:
```cpp
class Node { class Node {
public: public:
Node(char v, Node* l, Node* r) : Node(char v, Node* l, Node* r) :
@@ -30,6 +32,7 @@ public:
Node* left; Node* left;
Node* right; Node* right;
}; };
```
## 25.3 Garbage Collection Technique #1: Reference Counting ## 25.3 Garbage Collection Technique #1: Reference Counting
@@ -167,11 +170,11 @@ also when we are developing big complex programs that process and rearrange lots
enormous beast of a programming language (but that doesn’t stop people from trying!). So is there anything enormous beast of a programming language (but that doesn’t stop people from trying!). So is there anything
we can do? Yes, we can use Smart Pointers to gain some of the features of garbage collection. we can do? Yes, we can use Smart Pointers to gain some of the features of garbage collection.
Some examples below are modified from these nice online references: Some examples below are modified from these nice online references:
http://ootips.org/yonat/4dev/smart-pointers.html [http://ootips.org/yonat/4dev/smart-pointers.html](http://ootips.org/yonat/4dev/smart-pointers.html)
http://www.codeproject.com/KB/stl/boostsmartptr.aspx [http://www.codeproject.com/KB/stl/boostsmartptr.aspx](http://www.codeproject.com/KB/stl/boostsmartptr.aspx)
http://en.wikipedia.org/wiki/Smart_pointer [http://en.wikipedia.org/wiki/Smart_pointer](http://en.wikipedia.org/wiki/Smart_pointer)
http://www.boost.org/doc/libs/1_48_0/libs/smart_ptr/smart_ptr.htm [http://www.boost.org/doc/libs/1_48_0/libs/smart_ptr/smart_ptr.htm](http://www.boost.org/doc/libs/1_48_0/libs/smart_ptr/smart_ptr.htm)
http://www.acodersjourney.com/2016/05/top-10-dumb-mistakes-avoid-c-11-smart-pointers/ [http://www.acodersjourney.com/2016/05/top-10-dumb-mistakes-avoid-c-11-smart-pointers/](http://www.acodersjourney.com/2016/05/top-10-dumb-mistakes-avoid-c-11-smart-pointers/)
## 25.12 What’s a Smart Pointer? ## 25.12 What’s a Smart Pointer?