feat: adding macros -> and partial

Author: SuperFola

CHANGELOG.md

@@ -4,6 +4,7 @@
 ### Added
 - Lazy evaluation with `lazy:eval`
 - Math functions to manipulate complex numbers (addition, substraction, multiplication, division, conjugate, module)
+- Macros `->` to pipe transformations on data and `partial` to create partial functions easily
 
 ### Changed
 - enhanced `math:fibo` function to hide the accumulator parameters

Macros.ark

@@ -0,0 +1,20 @@
+!{-> (arg fn1 ...fn) {
+    !{if (> (len fn) 0)
+        (-> (fn1 arg) ...fn)
+        (fn1 arg)
+    }
+}}
+
+# internal, do not use
+!{__suffix-dup (sym x) {
+    !{if (> x 1)
+        (__suffix-dup sym (- x 1))
+    }
+    (symcat sym x)
+}}
+
+!{partial (func ...defargs) {
+    !{bloc (__suffix-dup a (- (argcount func) (len defargs)))}
+    (fun (bloc) (func ...defargs bloc))
+    !{undef bloc}
+}}