name: duk_opt_uint

proto: |
  duk_uint_t duk_opt_uint(duk_context *ctx, duk_idx_t idx, duk_uint_t def_value);

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

summary: |
  <p>Get the number at <code>idx</code> and convert it to a C <code>duk_uint_t</code>
  by first clamping the value between [0, DUK_UINT_MAX] and then
  truncating towards zero.  The value on the stack is not modified.
  If the value is <code>undefined</code> or the index is invalid,
  <code>def_value</code> default value is returned.  In other cases
  (<code>null</code> or non-matching type) throws an error.</p>

example: |
  unsigned int count = (unsigned int) duk_opt_uint(ctx, 1, 3);  /* default: 3 */

tags:
  - stack

introduced: 2.1.0