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A metafunction returning the result type of all.
template< typename Sequence, typename F > struct all { typedef bool type; };
Table 1.46. Parameters
Parameter | Requirement | Description |
---|---|---|
Sequence | A model of Forward Sequence | Operation's argument |
F | A model of unary Polymorphic Function Object | Operation's argument |
result_of::all<Sequence, F>::type
Return type: bool.
Semantics: Returns the return type of all given a sequence of type Sequence and a unary Polymorphic Function Object of type F. The return type is always bool.
Constant.
#include <boost/fusion/algorithm/query/all.hpp>
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