maybe_templ.h

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#include <isl/ctx.h>
#include <isl/maybe.h>
 
/* A structure that possibly contains a pointer to an object of type ISL_TYPE.
 * The pointer in "value" is only valid if "valid" is isl_bool_true.
 * Otherwise, "value" is set to NULL.
 */
struct ISL_MAYBE(ISL_TYPE) {
  isl_bool  valid;
  ISL_TYPE  *value;
};
typedef struct ISL_MAYBE(ISL_TYPE) ISL_MAYBE(ISL_TYPE);