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- #pragma once
-
- #ifdef TRACE
- #define T(X) X
- #else
- #define T(X)
- #endif
-
- class Trace
- {
- private:
- static int nesting;
- char *name;
- public:
- Trace (char *n) { fprintf (stderr, "%*scalling %s\n", 3 * nesting++, "", name = n); }
- ~Trace (void) { fprintf (stderr, "%*sleaving %s\n", 3 * --nesting, "", name); }
- };
-
-