name: duk_require_pointer

proto: |
  void *duk_require_pointer(duk_context *ctx, duk_idx_t idx);

stack: |
  [ ... val! ... ]

summary: |
  <p>Like <code><a href="#duk_get_pointer">duk_get_pointer()</a></code>,
  but throws an error if the value at <code>idx</code> is not a pointer
  or if the index is invalid.</p>

example: |
  void *ptr;

  ptr = duk_require_pointer(ctx, -3);
  printf("my pointer is: %p\n", ptr);

tags:
  - stack

introduced: 1.0.0