diff --git a/functional_market/Fundamentals/crepe_stream.c b/functional_market/Fundamentals/crepe_stream.c
index f5a8863..52ab91a 100644
--- a/functional_market/Fundamentals/crepe_stream.c
+++ b/functional_market/Fundamentals/crepe_stream.c
@@ -1,32 +1,334 @@
 #include "crepe_stream.h"
-
+#include <stdio.h>
 #include "toolbox.h"
+//#############################
+// FCT AUX
+// ############################
 
+typedef int (*comparator)(void *, void *);
+
+char *topping(enum topping topping){
+// C'est mooooche :/ /FIXME A refaire
+
+    if(topping == NOTHING) return"nothing";
+    else if(topping == SUGAR) return"sugar";
+    else if (topping == CHOCOLATE) return"chocolate";
+    else if (topping == WHIPPED_CREAM) return"whipped cream";
+    else if (topping == CHEESE) return"cheese";
+    else if (topping == MEAT) return"meat";
+    else if(topping == EGG) return"egg";
+    else return "WTF Rien ?? un topping de None ?";
+    
+}
+
+char *dough(enum dough dough){
+// c'est mooooche, j'iame pas raah //FIXME
+
+    if (dough == WHEAT) return "wheat";
+    else if (dough == BUCKWHEAT) return "buckwheat";
+    else return "WTF encore rien...";
+}
+
+void print_arr(struct crepe *crepe){
+    
+    printf("%s: $%i\n", crepe->name, crepe->price);
+    printf("- Made out of %s\n", dough(crepe->dough));
+    printf("- Contains %s with %s on top\n", topping(crepe->inside), topping(crepe->outside));
+}
+
+int lower(struct crepe *a, struct crepe *b){
+
+    if (a->price % 2 == 0 && b->price % 2 != 0) return -1;
+    else if (a->price % 2 != 0 && b->price % 2 == 0) return 1;
+    else if (a->price % 2 == 0 && b->price % 2 ==0) return a->price - b->price;
+    else return b->price - a->price;
+}
+
+void name(void *a, void *b){
+
+    struct crepe *c = b;
+    char **rslt = a;
+    *rslt = c->name;
+}
+
+int contain_meat(void *ptr){
+
+    struct crepe *crepe = ptr;
+
+    if(crepe->inside == MEAT || crepe->outside == MEAT) return 0;
+    return 1;
+
+}
+
+void *clc_price(void *acc, void *elem){
+    
+    int *tot = acc;
+    struct crepe *c = elem;
+    *tot += c->price;
+    return tot;
+}
+
+//########################
+//FCT TP
+//########################
 struct array *sort_by_prices(struct array *arr)
 {
-    (void)arr;
-    return NULL;
+   arr = sort(arr, (comparator)lower);
+   return arr;
 }
 
 struct array *names(struct array *arr)
 {
-    (void)arr;
-    return NULL;
+    return map(arr, sizeof(char *), (mapper)name);
 }
 
 struct array *vegetarian(struct array *arr)
 {
-    (void)arr;
-    return NULL;
+    return filter(arr, (predicate)contain_meat);
 }
 
 int total_price(struct array *arr)
 {
-    (void)arr;
-    return 0;
+    int total = 0;
+    reduce(arr, &total, (reducer)clc_price);
+    return total;
 }
 
 void print_menu(struct array *arr)
 {
-    (void)arr;
+    foreach(arr, (acceptor)&print_arr);
+
 }
+
+#include <stdlib.h>
+
+int main(void)
+{
+    struct array arr = {
+        .elem_size = sizeof(struct crepe),
+        .len = 4,
+        .data = calloc(4, sizeof(struct crepe)),
+    };
+    struct crepe *data = arr.data;
+    data[0] = (struct crepe){
+        .name = "Dairy",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = EGG,
+        .price = 5,
+    };
+    data[1] = (struct crepe){
+        .name = "Raclette",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = MEAT,
+        .price = 8,
+    };
+    data[2] = (struct crepe){
+        .name = "Choco",
+        .dough = WHEAT,
+        .inside = CHOCOLATE,
+        .outside = WHIPPED_CREAM,
+        .price = 6,
+    };
+    data[3] = (struct crepe){
+        .name = "Sugary",
+        .dough = WHEAT,
+        .inside = SUGAR,
+        .outside = NOTHING,
+        .price = 7,
+    };
+
+    printf("%d\n", total_price(&arr));
+
+    free(arr.data);
+}
+
+
+/*
+#include <stdlib.h>
+
+int main(void)
+{
+    struct array arr = {
+        .elem_size = sizeof(struct crepe),
+        .len = 4,
+        .data = calloc(4, sizeof(struct crepe)),
+    };
+    struct crepe *data = arr.data;
+    data[0] = (struct crepe){
+        .name = "Dairy",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = EGG,
+        .price = 5,
+    };
+    data[1] = (struct crepe){
+        .name = "Raclette",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = MEAT,
+        .price = 8,
+    };
+    data[2] = (struct crepe){
+        .name = "Choco",
+        .dough = WHEAT,
+        .inside = CHOCOLATE,
+        .outside = WHIPPED_CREAM,
+        .price = 6,
+    };
+    data[3] = (struct crepe){
+        .name = "Sugary",
+        .dough = WHEAT,
+        .inside = SUGAR,
+        .outside = NOTHING,
+        .price = 7,
+    };
+
+    print_menu(vegetarian(&arr));
+
+    free(arr.data);
+}
+*/
+
+/*
+#include <stdlib.h>
+
+void print_string(char **str)
+{
+    puts(*str);
+}
+
+int main(void)
+{
+    struct array arr = {
+        .elem_size = sizeof(struct crepe),
+        .len = 4,
+        .data = calloc(4, sizeof(struct crepe)),
+    };
+    struct crepe *data = arr.data;
+    data[0] = (struct crepe){
+        .name = "Dairy",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = EGG,
+        .price = 5,
+    };
+    data[1] = (struct crepe){
+        .name = "Raclette",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = MEAT,
+        .price = 8,
+    };
+    data[2] = (struct crepe){
+        .name = "Choco",
+        .dough = WHEAT,
+        .inside = CHOCOLATE,
+        .outside = WHIPPED_CREAM,
+        .price = 6,
+    };
+    data[3] = (struct crepe){
+        .name = "Sugary",
+        .dough = WHEAT,
+        .inside = SUGAR,
+        .outside = NOTHING,
+        .price = 7,
+    };
+
+    foreach(names(&arr), (acceptor)&print_string);
+
+    free(arr.data);
+}
+*/
+
+/*
+#include <stdlib.h>
+
+int main(void)
+{
+    struct array arr = {
+        .elem_size = sizeof(struct crepe),
+        .len = 4,
+        .data = calloc(4, sizeof(struct crepe)),
+    };
+    struct crepe *data = arr.data;
+    data[0] = (struct crepe){
+        .name = "Dairy",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = EGG,
+        .price = 5,
+    };
+    data[1] = (struct crepe){
+        .name = "Raclette",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = MEAT,
+        .price = 8,
+    };
+    data[2] = (struct crepe){
+        .name = "Choco",
+        .dough = WHEAT,
+        .inside = CHOCOLATE,
+        .outside = WHIPPED_CREAM,
+        .price = 6,
+    };
+    data[3] = (struct crepe){
+        .name = "Sugary",
+        .dough = WHEAT,
+        .inside = SUGAR,
+        .outside = NOTHING,
+        .price = 7,
+    };
+
+    print_menu(sort_by_prices(&arr));
+
+    free(arr.data);
+}
+*/
+/*
+#include <stdlib.h>
+
+int main(void)
+{
+    struct array arr = {
+        .elem_size = sizeof(struct crepe),
+        .len = 4,
+        .data = calloc(4, sizeof(struct crepe)),
+    };
+    struct crepe *data = arr.data;
+    data[0] = (struct crepe){
+        .name = "Dairy",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = EGG,
+        .price = 5,
+    };
+    data[1] = (struct crepe){
+        .name = "Raclette",
+        .dough = BUCKWHEAT,
+        .inside = CHEESE,
+        .outside = MEAT,
+        .price = 8,
+    };
+    data[2] = (struct crepe){
+        .name = "Choco",
+        .dough = WHEAT,
+        .inside = CHOCOLATE,
+        .outside = WHIPPED_CREAM,
+        .price = 6,
+    };
+    data[3] = (struct crepe){
+        .name = "Sugary",
+        .dough = WHEAT,
+        .inside = SUGAR,
+        .outside = NOTHING,
+        .price = 7,
+    };
+
+    print_menu(&arr);
+
+    free(arr.data);
+}
+*/
diff --git a/functional_market/Fundamentals/test b/functional_market/Fundamentals/test
deleted file mode 100755
index ab8fa67..0000000
Binary files a/functional_market/Fundamentals/test and /dev/null differ