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08f66d47c1
Along with PR #166, this closes #122 because names have now been cleaned up and are now consistent basically everywhere.
39 lines
738 B
C++
39 lines
738 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/bool.hpp>
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#include <iostream>
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namespace hana = boost::hana;
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namespace pure {
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//! [pure]
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template <typename X>
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auto identity(X x) { return x; }
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auto x = identity(hana::bool_c<true>);
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static_assert(hana::value(x), "");
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//! [pure]
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}
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namespace impure {
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//! [impure_identity]
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template <typename X>
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auto identity(X x) {
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std::cout << "Good luck in evaluating this at compile-time!";
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return x;
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}
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//! [impure_identity]
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//! [impure]
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auto x = identity(hana::bool_c<true>);
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static_assert(hana::value(x), "");
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//! [impure]
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}
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int main() { }
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