all

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For a sequence seq and unary function object f, all returns true if f returns true for every element of seq.

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template<
    typename Sequence,
    typename F
    >
typename result_of::all<Sequence,F>::type all(
    Sequence const& seq, F f);

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Table 1.40. Parameters

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Table 1.40. Parameters

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Table 1.44. Parameters

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Table 1.44. Parameters

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Table 1.44. Parameters

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Table 1.44. Parameters

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Table 1.44. Parameters

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Parameter	Requirement	Description
`seq`	A model of Forward Sequence, `f(e)` is a valid expression, convertible to `bool`, for every element `e` in `seq`	The sequence to search
`f`	A unary function object	The search predicate

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Expression =======

Expression >>>>>>> .merge-right.r57125 Semantics

all(seq, f);

Return type: bool

Semantics: Returns true if and only if f(e) evaluates to true for every element e in seq.

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Linear. At most result_of::size<Sequence>::value comparisons.

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#include <boost/fusion/algorithm/query/all.hpp>
#include <boost/fusion/include/all.hpp>

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struct odd
{
    template<typename T>
    bool operator()(T t) const
    {
        return t % 2;
    }
};
...
assert(all(make_vector(1,3), odd()));
assert(!all(make_vector(1,2), odd()));