Method typeEquals

src/main/java/com/google/gson/reflect/TypeToken.java:240–253

Checks if two parameterized types are exactly equal, under the variable replacement described in the typeVarMap.

(ParameterizedType from,
      ParameterizedType to, Map<String, Type> typeVarMap)

   * replacement described in the typeVarMap.
   */
  private static boolean typeEquals(ParameterizedType from,
      ParameterizedType to, Map<String, Type> typeVarMap) {
    if (from.getRawType().equals(to.getRawType())) {
      Type[] fromArgs = from.getActualTypeArguments();
      Type[] toArgs = to.getActualTypeArguments();
      for (int i = 0; i < fromArgs.length; i++) {
        if (!matches(fromArgs[i], toArgs[i], typeVarMap)) {
          return false;
        }
      }
      return true;
    }
    return false;
  }

  private static AssertionError buildUnexpectedTypeError(
      Type token, Class<?>... expected) {