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How Can C 11 Mimic C#-Style Properties Using Lambdas and Unnamed Classes?
How Can C 11 Mimic C#-Style Properties Using Lambdas and Unnamed Classes?
Oct 28, 2024 am 07:38 AM
C#-Style Properties in C 11
C# offers a convenient syntax for fields with getter and setter methods through properties. For instance:
<code class="C#">public Foo foo { get; private set; }</code>
This syntax simplifies the task of accessing and setting field values.
In C , there is traditionally no equivalent syntax. Instead, you would need to manually create a private field and define separate getter and setter methods:
<code class="C++">private:
Foo foo;
public:
Foo getFoo() { return foo; }</code>
However, with C 11, you can introduce your own language features by leveraging lambdas and unnamed classes. One such feature is the implementation of C#-style properties. Here's an example:
<code class="C++">struct Foo
{
class {
int value;
public:
int & operator = (const int &i) { return value = i; }
operator int () const { return value; }
} alpha;
class {
float value;
public:
float & operator = (const float &f) { return value = f; }
operator float () const { return value; }
} bravo;
};</code>
This implementation allows you to access and modify field values using a C#-like syntax:
<code class="C++">Foo instance; instance.alpha = 100; // sets the 'alpha' field to 100 float fooValue = instance.bravo; // retrieves the 'bravo' field value</code>
This approach provides a convenient shorthand for accessing and manipulating data in your C code. While not directly supported by the C 11 standard, it demonstrates the flexibility and extensibility of the language.
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