const long MY_BINARY_ARRAY_LENGTH = 64;
typedef octet MyBinaryArray[MY_BINARY_ARRAY_LENGTH];
《IDL To C++11™ Language Mapping, Version 1.2 》(http://www.omg.org/cgi-bin/doc?formal/2015-08-01.pdf)
6.6 Mapping for Basic Data Types
6.13 Mapping for Array Types