name: duk_to_int32

proto: |
  duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t idx);

stack: |
  [ ... val! ... ] -> [ ... ToInt32(val)! ... ]

summary: |
  <p>Replace the value at <code>idx</code> with an Ecmascript
  <a href="http://www.ecma-international.org/ecma-262/5.1/#sec-9.5">ToInt32()</a>
  coerced value.  Returns the coerced value.  If <code>idx</code> is invalid, throws
  an error.</p>

  <div include="ref-custom-type-coercion.html" />

example: |
  printf("ToInt32(): %ld\n", (long) duk_to_int32(ctx, -3));

tags:
  - stack

introduced: 1.0.0