Null object: Difference between revisions
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(BASIC | Applesoft BASIC) |
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} |
} |
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</lang> |
</lang> |
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---- |
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=={{header|C++11}}== |
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in C++11 there is nullptr of type nullptr_t this represents a pointer to an invalid place, you can use it to test like so |
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<lang cpp> |
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int *p = nullptr; |
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... |
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if(p == nullptr){ |
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// do some thing |
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} |
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</lang> |
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=={{header|C sharp|C#}}== |
=={{header|C sharp|C#}}== |
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As with Java, any reference type may be null, and testing for nullity uses ordinary boolean operators. |
As with Java, any reference type may be null, and testing for nullity uses ordinary boolean operators. |
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