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2c86ba2390
- Rename fold{l,r,l1,r1} to fold.{right,left} with overloads.
- Rename foldlM/foldrM to monadic_fold.{left,right}
- Add no-state variants of the monadic folds
- Improve the fold's documentation
- Deprecate the previous folds; they'll be removed soon
Fixes #18.
36 lines
781 B
C++
36 lines
781 B
C++
/*
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@copyright Louis Dionne 2015
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/foldable.hpp>
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#include <boost/hana/record_macros.hpp>
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#include <utility>
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using namespace boost::hana;
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struct moveonly {
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moveonly() = default;
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moveonly(moveonly const&) = delete;
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moveonly(moveonly&&) = default;
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};
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struct T {
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BOOST_HANA_DEFINE_RECORD_INTRUSIVE(T,
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(moveonly, member1),
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(moveonly, member2)
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);
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};
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int f(int, moveonly) { return 1; }
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int g(moveonly, int) { return 1; }
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int main() {
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// Folding a Record with move-only members should work when the
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// Record is an rvalue.
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fold.left(T{}, 0, f);
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fold.right(T{}, 0, g);
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}
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