while loop support, and native functions (including ffi!)

examples/ffi.pork

@@ -0,0 +1,13 @@
+func malloc(size)
+  native ffi "libc.dylib:malloc:void*"
+
+func free(pointer)
+  native ffi "libc.dylib:free:void"
+
+export func main() {
+  while true {
+    let pointer = malloc(8192)
+    println(pointer)
+    free(pointer)
+  }
+}

examples/fib.pork

@@ -1,10 +1,14 @@
 /* fibonacci sequence */
 func fib(n) {
-  if n == 0
-    then 0
-  else if n == 1
-    then 1
-  else fib(n - 1) + fib(n - 2)
+  if n == 0 {
+    0
+  } else {
+    if n == 1 {
+      1
+    } else {
+      fib(n - 1) + fib(n - 2)
+    }
+  }
 }
 
 export func main() {

examples/loop.pork

@@ -0,0 +1,6 @@
+export func main() {
+  while true {
+    println("Hello World")
+    break
+  }
+}