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Returns the result type of find_if given the sequence and
predicate types.
template< typename Sequence, typename Pred > struct find_if { typedef unspecified type; };
Table 1.54. Parameters
|
Parameter |
Requirement |
Description |
|---|---|---|
|
|
A model of Forward Sequence |
Operation's argument |
|
|
A model of MPL Lambda Expression |
Operation's arguments |
result_of::find_if<Sequence, Pred>::type
Return type: A model of the same iterator
category as the iterators of Sequence.
Semantics: Returns an iterator to the
first element in Sequence
for which Pred evaluates
to true. Returns if there is no such element.
result_of::end<Sequence>::type
Linear. At most comparisons.
result_of::size<Sequence>::value
#include <boost/fusion/algorithm/query/find_if.hpp> #include <boost/fusion/include/find_if.hpp>