## Struct template binder1st

boost::log::binder1st — First argument binder.

## Synopsis

    // In header: <boost/log/utility/functional/bind.hpp>

    template<typename FunT, typename FirstArgT>
    struct binder1st : private FunT {
      // types
      typedef FunT::result_type result_type;

      // public member functions
      binder1st(FunT const &, unspecified);
      result_type operator()() const;
      template<typename T0> result_type operator()(T0 const &) const;
      template<typename T0, typename T1>
        result_type operator()(T0 const &, T1 const &) const;
    };

## Description

### `binder1st` public member functions

1.     binder1st(FunT const & fun, unspecified arg);

2.     result_type operator()() const;

3.     template<typename T0> result_type operator()(T0 const & arg0) const;

4.     template<typename T0, typename T1>
         result_type operator()(T0 const & arg0, T1 const & arg1) const;