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Returns the result type of iter_fold
.
template< typename Sequence, typename State, typename F> struct iter_fold { typedef unspecified type; };
Table 1.48. Parameters
Parameter |
Requirement |
Description |
---|---|---|
|
A model of Forward Sequence |
The sequence to iterate |
|
Any type |
The initial state for the first application of |
|
|
The operation to be applied on traversal |
iter_fold<Sequence, State, F>::type
Return type: Any type
Semantics: Returns the result of applying
iter_fold
to a sequence of type
Sequence
, with an initial
state of type State
and
binary function object or function pointer of type F
.
Linear, exactly
applications of result_of::size
<Sequence>::valueF
.
#include <boost/fusion/algorithm/iteration/iter_fold.hpp> #include <boost/fusion/include/iter_fold.hpp>