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The type for each element in the list of buffers.
typedef mutable_buffer value_type;
| Name | Description | 
|---|---|
| Construct an empty buffer. Construct a buffer to represent a given memory range. | 
| Name | Description | 
|---|---|
| Create a new modifiable buffer that is offset from the start of another. | 
          The mutable_buffer
          class provides a safe representation of a buffer that can be modified.
          It does not own the underlying data, and so is cheap to copy or assign.
        
          The contents of a buffer may be accessed using the buffer_size and buffer_cast functions:
        
boost::asio::mutable_buffer b1 = ...; std::size_t s1 = boost::asio::buffer_size(b1); unsigned char* p1 = boost::asio::buffer_cast<unsigned char*>(b1);
          The boost::asio::buffer_cast function permits violations
          of type safety, so uses of it in application code should be carefully considered.
        
          Header: boost/asio/buffer.hpp
        
          Convenience header: boost/asio.hpp