1[/ 2 Copyright 2010 Neil Groves 3 Distributed under the Boost Software License, Version 1.0. 4 (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5/] 6[section:find_first_of find_first_of] 7 8[heading Prototype] 9 10`` 11template<class SinglePassRange1, class ForwardRange2> 12typename range_iterator<SinglePassRange1>::type 13find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2); 14 15template< 16 class SinglePassRange1, 17 class ForwardRange2, 18 class BinaryPredicate 19 > 20typename range_iterator<SinglePassRange1>::type 21find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred); 22 23template< 24 range_return_value re, 25 class SinglePassRange1, 26 class ForwardRange2 27 > 28typename range_return<SinglePassRange1, re>::type 29find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2); 30 31template< 32 range_return_value re, 33 class SinglePassRange1, 34 class ForwardRange2, 35 class BinaryPredicate 36 > 37typename range_return<SinglePassRange1, re>::type 38find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred); 39`` 40 41[heading Description] 42 43The 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`. 44Equality is determined by `operator==` for non-predicate versions of `find_first_of`, and by satisfying `pred` in the predicate versions. 45 46The versions of `find_first_of` that return a `range_return`, defines `found` in the same manner as the returned iterator described above. 47 48[heading Definition] 49 50Defined in the header file `boost/range/algorithm/find_first_of.hpp` 51 52[heading Requirements] 53 54[*For the non-predicate versions:] 55 56* `SinglePassRange1` is a model of the __single_pass_range__ Concept. 57* `ForwardRange2` is a model of the __forward_range__ Concept. 58* `SinglePassRange1`'s value type is a model of the `EqualityComparableConcept`, and can be compared for equality with `ForwardRange2`'s value type. 59 60[*For the predicate versions:] 61 62* `SinglePassRange1` is a model of the __single_pass_range__ Concept. 63* `ForwardRange2` is a model of the __forward_range__ Concept. 64* `BinaryPredicate` is a model of the `BinaryPredicateConcept`. 65* `SinglePassRange1`'s value type is convertible to `BinaryPredicate`'s first argument type. 66* `ForwardRange2`'s value type is convertible to `BinaryPredicate`'s second argument type. 67 68[heading Complexity] 69 70At most `distance(rng1) * distance(rng2)` comparisons. 71 72[endsect] 73 74 75