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template<class SinglePassRange1, class ForwardRange2> typename range_iterator<SinglePassRange1>::type find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2); template< class SinglePassRange1, class ForwardRange2, class BinaryPredicate > typename range_iterator<SinglePassRange1>::type find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred); template< range_return_value re, class SinglePassRange1, class ForwardRange2 > typename range_return<SinglePassRange1, re>::type find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2); template< range_return_value re, class SinglePassRange1, class ForwardRange2, class BinaryPredicate > typename range_return<SinglePassRange1, re>::type find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred);
The versions of find_first_of
that return an iterator, return an iterator to the first occurrence in
rng1 of any of the elements
in rng2. Equality is
determined by operator==
for non-predicate versions of find_first_of,
and by satisfying pred
in the predicate versions.
The versions of find_first_of
that return a range_return,
defines found in the
same manner as the returned iterator described above.
Defined in the header file boost/range/algorithm/find_first_of.hpp
For the non-predicate versions:
SinglePassRange1
is a model of the Single
Pass Range Concept.
ForwardRange2 is
a model of the Forward
Range Concept.
SinglePassRange1's
value type is a model of the EqualityComparableConcept,
and can be compared for equality with ForwardRange2's
value type.
For the predicate versions:
SinglePassRange1
is a model of the Single
Pass Range Concept.
ForwardRange2 is
a model of the Forward
Range Concept.
BinaryPredicate is
a model of the BinaryPredicateConcept.
SinglePassRange1's
value type is convertible to BinaryPredicate's
first argument type.
ForwardRange2's value
type is convertible to BinaryPredicate's
second argument type.
At most distance(rng1) * distance(rng2) comparisons.