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boost::proto::child_c — Return the N
th child of the specified
Proto expression.
// In header: <boost/proto/traits.hpp> template< N, typename Expr> proto::result_of::child_c< ( expr); template< N, typename Expr> proto::result_of::child_c< ( expr);
Return the N
th child of the specified Proto
expression. The child is returned by reference.
Requires: |
|
Returns: |
A reference to the |
Throws: |
Will not throw. |