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Why Even This Exist?

You might encounter a case where you just want to identify something by string, but after compiled it must become an integer. As illustration below.

 ____________              ________________
|    main.c   \           |   myprogram    |
|--------------\          |----------------|
|   "Hello,     |  ====>  |   0x8D 0xD6    |
|    World!"    |         |   0x8C 0xA6    |
|_______________|         |________________|

The implementation of this idea on plain C which executes in compilation time is nowhere found previously. So this is why the author created identity.h.

How to Start?

First, get the latest identity-vx.xx.xx.tar.gz file at releases page, extract it. Then, copy entire include content to your project's include directory. If you have no idea what to do, try one of the examples.