Undefined values: Difference between revisions
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</pre> |
</pre> |
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=={{header|C sharp|C#}}== |
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<lang C> |
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#include<stdlib.h> |
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#include<stdio.h> |
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int main() |
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{ |
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int i=NULL; |
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if(i==NULL) |
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{ |
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printf("i is undefined."); |
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} |
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else |
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{ |
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printf("So much for writing code."); |
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} |
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return 0; |
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} |
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</lang> |
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And the output is: |
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<lang C> |
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i is undefined. |
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</lang> |
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=={{header|C sharp|C#}}== |
=={{header|C sharp|C#}}== |
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In C# it's important to see the difference between reference and value types. For reference types (class instances) there is <code>null</code> as a general undefined reference. |
In C# it's important to see the difference between reference and value types. For reference types (class instances) there is <code>null</code> as a general undefined reference. |
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