Boost C++ Libraries

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for_each

A metafunction returning the result type of applying for_each to a sequence. The return type of for_each is always void.

Description

Synopsis

template<
    typename Sequence,
    typename F
>
struct for_each
{
    typedef void type;
};

Table 1.38. Parameters

Parameter	Requirement	Description
`Sequence`	A model of Forward Sequence	Operation's argument
`F`	Any type	Operation's argument

Expression Semantics

result_of::for_each<Sequence, F>::type

Return type: void.

Semantics: Returns the return type of for_each for a sequence of type Sequence and a unary function object F. The return type is always void.

Complexity

Constant.

Header

#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/fusion/include/for_each.hpp>