The BOOST_PP_ASSIGN_SLOT macro fully evaluates a numeric macro or expression.

#### Usage

#include BOOST_PP_ASSIGN_SLOT(i)

#### Arguments

i
  The slot index that is to be assigned. This value must be in the range of 1 to BOOST_PP_LIMIT_SLOT_COUNT.

#### Remarks

Prior to use, the named external argument BOOST_PP_VALUE must be defined. Also, it must expand to a numeric value that is in the range of 0 to 2^32 - 1.

#### See Also

- BOOST_PP_LIMIT_SLOT_COUNT
- BOOST_PP_VALUE

#### Requirements

Header: <boost/preprocessor/slot/slot.hpp>

#### Sample Code

    #include <boost/preprocessor/slot/slot.hpp>

    #define X() 4

    #define BOOST_PP_VALUE 1 + 2 + 3 + X()
    #include BOOST_PP_ASSIGN_SLOT(1)

    #undef X

    BOOST_PP_SLOT(1) // expands to 10