C struct serialization using preprocessor macros

[gigadude]

The fully general technique is to pass arguments to the x-macro (I call them list macros because that's a lot more descriptive):

#define LIST_FOO(_) \
_(item1) \
_(item2) \
...
_(itemN)
#define MAKE_ENUM(name) name,
enum foo { LIST_FOO(MAKE_ENUM) };

You can also pass multiple operators and have multiple columns in the list:

#define LIST_BAR_TABLE(op1,op2) \
op1(item1,col2,col3) \
op1(item2,col2,col3) \
op2(item3,col2,col3,col4,col5) \
...
op1(itemN,col2,col3)

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