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Diffstat (limited to 'ml/dlib/dlib/ref.h')
| -rw-r--r-- | ml/dlib/dlib/ref.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/ml/dlib/dlib/ref.h b/ml/dlib/dlib/ref.h deleted file mode 100644 index 53a37fbf8..000000000 --- a/ml/dlib/dlib/ref.h +++ /dev/null @@ -1,84 +0,0 @@ -// Copyright (C) 2010 Davis E. King (davis@dlib.net) -// License: Boost Software License See LICENSE.txt for the full license. -#ifndef DLIB_REFERENCE_WRAPpER_H_ -#define DLIB_REFERENCE_WRAPpER_H_ - -namespace dlib -{ - -// ---------------------------------------------------------------------------------------- - - template< - typename T - > - class reference_wrapper - { - /*! - WHAT THIS OBJECT REPRESENTS - This is a simple object that just holds a reference to another object. - It is useful because it can serve as a kind of "copyable reference". - !*/ - - public: - typedef T type; - - explicit reference_wrapper(T& o) : obj(&o) {} - - operator T&() const { return *obj; } - T& get() const { return *obj; } - - private: - T* obj; - }; - -// ---------------------------------------------------------------------------------------- - - template <typename T> - reference_wrapper<T> ref( - T& obj - ) { return reference_wrapper<T>(obj); } - /*! - ensures - - returns a reference_wrapper that contains a reference to obj. - !*/ - -// ---------------------------------------------------------------------------------------- - - template <typename T> - reference_wrapper<T> ref( - reference_wrapper<T> obj - ) { return obj; } - /*! - ensures - - returns the given reference_wrapper object without modification - !*/ - -// ---------------------------------------------------------------------------------------- - - template <typename T> - reference_wrapper<const T> cref( - const T& obj - ) { return reference_wrapper<const T>(obj); } - /*! - ensures - - returns a reference_wrapper that contains a constant reference to obj. - !*/ - -// ---------------------------------------------------------------------------------------- - - template <typename T> - reference_wrapper<const T> cref( - reference_wrapper<T> obj - ) { return cref(obj.get()); } - /*! - ensures - - converts the given reference_wrapper into a reference_wrapper that contains a - constant reference. - !*/ - -// ---------------------------------------------------------------------------------------- - -} - -#endif // DLIB_REFERENCE_WRAPpER_H_ - |