libsigc++ 2.0: reference_wrapper.h File Reference

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# reference_wrapper.h File Reference

## Namespaces
namespace | sigc
## Functions
template<class T_type>
reference_wrapper<T_type> | ref (T_type& v)
| Creates a reference wrapper.
template<class T_type>
const_reference_wrapper<T_type> | ref (const T_type& v)
| Creates a const reference wrapper.
template<class T_type>
T_type& | unwrap (const reference_wrapper<T_type>& v)
template<class T_type>
const T_type& | unwrap (const const_reference_wrapper<T_type>& v)

## Function Documentation

template <class T_type>
const_reference_wrapper<T_type> ref | ( | const T_type& | v | ) |

  | Creates a const reference wrapper. Passing an object throught sigc::ref() makes libsigc++ adaptors like, e.g., sigc::bind store references to the object instead of copies. If the object type inherits from sigc::trackable this will ensure automatic invalidation of the adaptors when the object is deleted or overwritten. Parameters:
  | v | Reference to store.
Returns: A reference wrapper.

template <class T_type>
reference_wrapper<T_type> ref | ( | T_type& | v | ) |

  | Creates a reference wrapper. Passing an object throught sigc::ref() makes libsigc++ adaptors like, e.g., sigc::bind store references to the object instead of copies. If the object type inherits from sigc::trackable this will ensure automatic invalidation of the adaptors when the object is deleted or overwritten. Parameters:
  | v | Reference to store.
Returns: A reference wrapper.

template <class T_type>
const T_type& unwrap | ( | const const_reference_wrapper<T_type>& | v | ) |

template <class T_type>
T_type& unwrap | ( | const reference_wrapper<T_type>& | v | ) |