name: duk_is_thread

proto: |
  duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t index);

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

summary: |
  <p>Returns 1 if value at <code>index</code> is an object and is a Duktape
  thread (coroutine), otherwise returns 0.  If <code>index</code> is invalid,
  also returns 0.</p>

example: |
  if (duk_is_thread(ctx, -3)) {
      /* ... */
  }

tags:
  - stack
  - thread

introduced: 1.0.0