src/third_party/web_platform_tests/WebIDL/valid/idl/constants.widl

// Extracted from http://dev.w3.org/2006/webapi/WebIDL/ on 2011-05-06
interface Util {
  const boolean DEBUG = false;
  const short negative = -1;
  const octet LF = 10;
  const unsigned long BIT_MASK = 0x0000fc00;
  const float AVOGADRO = 6.022e23;
  const unrestricted float sobig = Infinity;
  const unrestricted double minusonedividedbyzero = -Infinity;
  const short notanumber = NaN;
};

exception Error {
  const short ERR_UNKNOWN = 0;
  const short ERR_OUT_OF_MEMORY = 1;

  short errorCode;
};