SeqAn3
function.hpp
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1 // ============================================================================
2 // SeqAn - The Library for Sequence Analysis
3 // ============================================================================
4 //
5 // Copyright (c) 2006-2018, Knut Reinert & Freie Universitaet Berlin
6 // Copyright (c) 2016-2018, Knut Reinert & MPI Molekulare Genetik
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34 
40 #pragma once
41 
42 #include <seqan3/core/platform.hpp>
43 
44 // ----------------------------------------------------------------------------
45 // is_constexpr
46 // ----------------------------------------------------------------------------
47 
48 namespace seqan3::detail
49 {
50 
53 constexpr void is_constexpr_helper(int) {}
54 
55 } // namespace seqan3::detail
56 
57 namespace seqan3
58 {
59 
64 #if defined(__clang__) // bug: https://bugs.llvm.org//show_bug.cgi?id=15481
65 #define SEQAN3_IS_CONSTEXPR(...) __builtin_constant_p( (__VA_ARGS__,0) )
66 #else
67 #define SEQAN3_IS_CONSTEXPR(...) noexcept(seqan3::detail::is_constexpr_helper( (__VA_ARGS__, 0) ))
68 #endif
69 
70 } // namespace seqan3
Contains platform and dependency checks.
The main SeqAn3 namespace.
Definition: aligned_sequence_concept.hpp:58
Definition: aligned_sequence_concept.hpp:288