pragma once
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Hi !! What is the meaning of following statements:
#if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000generated by visual studio in header files. -
Hi !! What is the meaning of following statements:
#if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000generated by visual studio in header files.It tells the compiler to only process the header file once.
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Hi !! What is the meaning of following statements:
#if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000generated by visual studio in header files.As Taka said, it tells the compiler to process the header file only once (unlike the usual #ifndef _HEADERNAME #define _HEADERNAME ..., it doesn't need to open the file again, start parsing etc.) It's implemented only in certain compiler versions, for which is the additional #ifdef _MSC_VER check
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