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Invalid use of primitive_cat instead of cat in Wiki #5

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micwypych opened this issue Apr 7, 2016 · 1 comment

micwypych commented Apr 7, 2016

https://github.com/pfultz2/Cloak/wiki/C-Preprocessor-tricks,-tips,-and-idioms
there is:

#define IIF(c) PRIMITIVE_CAT(IIF_, c)
#define IIF_0(t, ...) __VA_ARGS__
#define IIF_1(t, ...) t

should be:

#define IIF(c) CAT(IIF_, c)
#define IIF_0(t, ...) __VA_ARGS__
#define IIF_1(t, ...) t

The text was updated successfully, but these errors were encountered:

Owner

pfultz2 commented Apr 7, 2016

PRIMITIVE_CAT is valid here. IIF will scan and expand c and then PRIMITIVE_CAT will concatenate the symbols.

pfultz2 closed this as completed

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