;; sugar example code
(memory (import "js" "mem") 10)
(import "console" "log" (func js_log (i i32)))

(global memend i32 #x1000)
(global sbrk (mut i32) 0)

; ----- allocate some memory in wasm-space
(defun (export "malloc") (len i32) :result i32
  (locals (i32 (newbrk (+ sbrk len)) (mem sbrk)))
  (if (>= newbrk memend) (return 0))
  (set sbrk newbrk)
  mem)

; ----- write bytes in wasm-space memory using js callback
(defun (export dump_range) (start i32 len i32)
  (locals (i32 i (end (+ start len))))
  (for (i start end)
    (js_log (get.u8* i))))