1 files changed, 32 insertions, 0 deletions
diff --git a/functional.h b/functional.h
new file mode 100644
index 0000000..fe7a869
--- /dev/null
+++ b/functional.h
@@ -0,0 +1,32 @@
+#ifndef FUNCTIONAL_H
+#define FUNCTIONAL_H
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct {
+  int i;
+  int offset;
+  int n;
+  void* arr;
+  void* ctxp;
+  void* storage;
+} FunctionalArgs;
+
+typedef struct {
+  bool (*filter)(FunctionalArgs* args);
+  void (*map)(FunctionalArgs* args);
+  void* (*derefInput)(int i, void* j);  // callback used to deference arr[i]
+  void (*shiftLeft)(FunctionalArgs* f);
+  FunctionalArgs args;
+} Functional;
+
+void func_map(Functional* f);
+
+void func_filter(Functional* f);
+
+void* func_find(Functional* f);
+
+#endif