From c9b6b9a5ca082fe7c1b6f58d7713f785a9eb6a5c Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:08:27 +0200
Subject: add: graphs et rushs

---
 rushs/tinyprintf/functional_programming/foldl.c               | 11 +++++++++++
 rushs/tinyprintf/functional_programming/foldr.c               | 10 ++++++++++
 .../functional_programming/functional_programming.h           | 10 ++++++++++
 rushs/tinyprintf/functional_programming/map.c                 |  9 +++++++++
 4 files changed, 40 insertions(+)
 create mode 100644 rushs/tinyprintf/functional_programming/foldl.c
 create mode 100644 rushs/tinyprintf/functional_programming/foldr.c
 create mode 100644 rushs/tinyprintf/functional_programming/functional_programming.h
 create mode 100644 rushs/tinyprintf/functional_programming/map.c

(limited to 'rushs/tinyprintf/functional_programming')

diff --git a/rushs/tinyprintf/functional_programming/foldl.c b/rushs/tinyprintf/functional_programming/foldl.c
new file mode 100644
index 0000000..ac222a7
--- /dev/null
+++ b/rushs/tinyprintf/functional_programming/foldl.c
@@ -0,0 +1,11 @@
+#include "functional_programming.h"
+
+int foldl(int *array, size_t len, int (*func)(int, int))
+{
+    int acc = 0;
+    for (size_t i = 0; i < len; i++)
+    {
+        acc = (*func)(acc, array[i]);
+    }
+    return acc;
+}
diff --git a/rushs/tinyprintf/functional_programming/foldr.c b/rushs/tinyprintf/functional_programming/foldr.c
new file mode 100644
index 0000000..c232410
--- /dev/null
+++ b/rushs/tinyprintf/functional_programming/foldr.c
@@ -0,0 +1,10 @@
+#include "functional_programming.h"
+
+int foldr(int *array, size_t len, int (*func)(int, int))
+{
+    if (len == 1)
+    {
+        return (*func)(array[0], 0);
+    }
+    return (*func)(array[0], foldr(array + 1, len - 1, func));
+}
diff --git a/rushs/tinyprintf/functional_programming/functional_programming.h b/rushs/tinyprintf/functional_programming/functional_programming.h
new file mode 100644
index 0000000..429b13c
--- /dev/null
+++ b/rushs/tinyprintf/functional_programming/functional_programming.h
@@ -0,0 +1,10 @@
+#ifndef FUNCTIONAL_PROGRAMMING_H
+#define FUNCTIONAL_PROGRAMMING_H
+
+#include <stddef.h>
+
+void map(int *array, size_t len, void (*func)(int *));
+int foldr(int *array, size_t len, int (*func)(int, int));
+int foldl(int *array, size_t len, int (*func)(int, int));
+
+#endif /* !FUNCTIONAL_PROGRAMMING_H */
diff --git a/rushs/tinyprintf/functional_programming/map.c b/rushs/tinyprintf/functional_programming/map.c
new file mode 100644
index 0000000..311c39c
--- /dev/null
+++ b/rushs/tinyprintf/functional_programming/map.c
@@ -0,0 +1,9 @@
+#include "functional_programming.h"
+
+void map(int *array, size_t len, void (*func)(int *))
+{
+    for (size_t i = 0; i < len; i++)
+    {
+        (*func)(array + i);
+    }
+}
-- 
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