The BOOST_PP_SEQ_REPLACE macro replaces an element in a seq.

Usage

BOOST_PP_SEQ_REPLACE(seq, i, elem)

Arguments

seq
The seq in which an element is to be replaced.
i
The zero-based position in seq of the element to be replaced.  Valid values range from 0 to BOOST_PP_SEQ_SIZE(seq) - 1.
elem
The element to replace the element at index i within seq.

Remarks

This macro returns seq after replacing the element at index i with elem.

Requirements

Header:  <boost/preprocessor/seq/replace.hpp>

Sample Code 

#include <boost/preprocessor/seq/replace.hpp>

#define SEQ (a)(b)(x)(d)

BOOST_PP_SEQ_REPLACE(SEQ, 2, c) // expands to (a)(b)(c)(d)
© Copyright Housemarque Oy 2002
© Copyright Paul Mensonides 2002

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at www.boost.org/LICENSE_1_0.txt)