Function currying (#5)

* Currying functions quiz

* Add comment re: param pattern

.gitignore

@@ -9,6 +9,7 @@ install-smlsharp
 links.md
 **/*temp.md
 todo.md
+temp*
 
 # Logs
 logs

src/quiz04-to-be-merged/quiz04.sml

@@ -0,0 +1,20 @@
+fun foo l = map real l;
+foo [1,2,3];
+
+fun foo l = foldr (fn (e, li) => e::e::li) [] l;
+foo [1,2,3];
+
+fun foo p l = foldr (fn (e, (lt, gt)) => if e <= p then (e::lt,gt) else (lt,e::gt)) ([],[]) l;
+foo 3 [1,2,3,4,5];
+
+fun cubelist li = map (fn(cur) => cur*cur*cur) li;
+cubelist [1,2,3];
+
+fun removeAll li x = foldr (fn (cur, acc) => if cur = x then acc else cur::acc) [] li;
+removeAll [1,2,3,4,5,6,7,8,9,10] 5;
+
+(* You can rearrange the order of the params like this *)
+fun removeAll x li = foldr (fn (cur, acc) => if cur = x then acc else cur::acc) [] li;
+
+(* But then the call site must be updated to reflect the new order *)
+removeAll 0 [1,2,0,3,4,0,5];