Boost C++ Libraries

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Class last_value<void>

boost::signals2::last_value<void> — Evaluate an InputIterator sequence.

Synopsis

// In header: <boost/signals2/last_value.hpp>


class last_value<void> {
public:
  // types
  typedef void result_type;

  // invocation
  template<typename InputIterator> 
    result_type operator()(InputIterator, InputIterator) const;
};

Description

`last_value` invocation

```
template<typename InputIterator> 
  result_type operator()(InputIterator first, InputIterator last) const;
```
Effects:

Attempts to dereference every iterator in the sequence [first, last).

Throws:

Unlike the non-void versions of last_value, the void specialization does not throw.