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13 lines
263 B
C++
13 lines
263 B
C++
#define CAT(X, Y) X##Y
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CAT(hello, world)
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#define REDIR(X, Y) CAT(X, Y)
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REDIR(CAT(hello, world), CAT(world, hello))
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#define SCONS(X, ...) REDIR(X, __VA_ARGS__)
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SCONS(hello, world)
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#define FOO(X) X##X
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#define BAR(X) FOO(X)##FOO(X)
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REDIR(BAR(hello), BAR(world))
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