Fix multiple definition errors by gating implementation behind THIRTEEN_IMPLEMENTATION#20
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Atrix256 merged 1 commit intoAtrix256:mainfrom Mar 18, 2026
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…EN_IMPLEMENTATION. Currently thirteen.h contains both declarations and implementations unconditionally. When the header is included in multiple translation units, this can lead to multiple definition linker errors. Usage: define THIRTEEN_IMPLEMENTATION in exactly one .c/.cpp file before including thirteen.h; include the header normally everywhere else.
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That was very kind of you to make this change. I'll get this merged and update the instruction docs tonight. |
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Currently thirteen.h contains both declarations and implementations unconditionally. When the header is included in multiple translation units, this can lead to multiple definition linker errors.
Usage: define THIRTEEN_IMPLEMENTATION in exactly one .c/.cpp file before including thirteen.h; include the header normally everywhere else.