1 /*========================================================================= 2 * 3 * Copyright Insight Software Consortium 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0.txt 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 *=========================================================================*/ 18 19 #ifndef itkPrintHelper_h 20 #define itkPrintHelper_h 21 22 #include <iostream> 23 #include <iterator> 24 #include <vector> 25 26 27 namespace itk 28 { 29 30 namespace print_helper 31 { 32 33 template< typename T > 34 std::ostream & operator<<( std::ostream & os, const std::vector< T >& v ) 35 { 36 if( v.empty() ) 37 { 38 return os << "()"; 39 } 40 41 os << "("; 42 std::copy( v.begin(), v.end() - 1, std::ostream_iterator< T >( os, ", " ) ); 43 return os << v.back() << ")"; 44 } 45 46 } // end namespace print_helper 47 } // end namespace itk 48 49 #endif // itkPrintHelper_h 50