\hypertarget{hash_8h_source}{}\doxysection{hash.\+h}
\label{hash_8h_source}\index{kblib/hash.h@{kblib/hash.h}}
\mbox{\hyperlink{hash_8h}{Go to the documentation of this file.}}
\begin{DoxyCode}{0}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00001}00001 \textcolor{comment}{/* *****************************************************************************}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00002}00002 \textcolor{comment}{ * kblib is a general utility library for C++14 and C++17, intended to provide}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00003}00003 \textcolor{comment}{ * performant high-\/level abstractions and more expressive ways to do simple}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00004}00004 \textcolor{comment}{ * things.}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00005}00005 \textcolor{comment}{ *}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00006}00006 \textcolor{comment}{ * Copyright (c) 2021 killerbee}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00007}00007 \textcolor{comment}{ *}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00008}00008 \textcolor{comment}{ * This program is free software: you can redistribute it and/or modify}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00009}00009 \textcolor{comment}{ * it under the terms of the GNU General Public License as published by}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00010}00010 \textcolor{comment}{ * the Free Software Foundation, either version 3 of the License, or}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00011}00011 \textcolor{comment}{ * (at your option) any later version.}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00012}00012 \textcolor{comment}{ *}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00013}00013 \textcolor{comment}{ * This program is distributed in the hope that it will be useful,}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00014}00014 \textcolor{comment}{ * but WITHOUT ANY WARRANTY; without even the implied warranty of}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00015}00015 \textcolor{comment}{ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00016}00016 \textcolor{comment}{ * GNU General Public License for more details.}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00017}00017 \textcolor{comment}{ *}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00018}00018 \textcolor{comment}{ * You should have received a copy of the GNU General Public License}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00019}00019 \textcolor{comment}{ * along with this program.  If not, see <https://www.gnu.org/licenses/>.}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00020}00020 \textcolor{comment}{ * ****************************************************************************/}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00021}00021 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00032}00032 \textcolor{preprocessor}{\#ifndef HASH\_H}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00033}00033 \textcolor{preprocessor}{\#define HASH\_H}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00034}00034 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00035}00035 \textcolor{preprocessor}{\#include "{}\mbox{\hyperlink{iterators_8h}{iterators.h}}"{}}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00036}00036 \textcolor{preprocessor}{\#include "{}\mbox{\hyperlink{tdecl_8h}{tdecl.h}}"{}}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00037}00037 \textcolor{preprocessor}{\#include "{}\mbox{\hyperlink{traits_8h}{traits.h}}"{}}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00038}00038 \textcolor{preprocessor}{\#include "{}\mbox{\hyperlink{variant_8h}{variant.h}}"{}}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00039}00039 }
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00044}00044 \textcolor{preprocessor}{\#include <unordered\_map>}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00045}00045 \textcolor{preprocessor}{\#include <unordered\_set>}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00046}00046 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00047}00047 \textcolor{preprocessor}{\#if KBLIB\_USE\_CXX17}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00051}00051 \textcolor{preprocessor}{\#endif}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00052}00052 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00053}00053 \textcolor{keyword}{namespace }\mbox{\hyperlink{tdecl_8h_a4b5c574c663a392148218cd4410fd7a1}{KBLIB\_NS}} \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00054}00054 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00055}00055 \textcolor{keyword}{template} <\textcolor{keyword}{typename} Integral, \textcolor{keyword}{typename} CharT>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00056}\mbox{\hyperlink{namespacekblib_ac450342ec31e16201b67e3331a23761d}{00056}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \mbox{\hyperlink{namespacekblib_ac450342ec31e16201b67e3331a23761d}{to\_bytes\_le}}(Integral ival,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00057}00057                            CharT (\&dest)[\textcolor{keyword}{sizeof}(Integral)]) \textcolor{keyword}{noexcept} -\/> \textcolor{keywordtype}{void} \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00058}00058    \textcolor{keyword}{static\_assert}(std::is\_integral<CharT>::value and \textcolor{keyword}{sizeof}(CharT) == 1}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00059}00059                      and not std::is\_same<CharT, bool>::value,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00060}00060                  \textcolor{stringliteral}{"{}CharT must be a char-\/like type."{}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00061}00061    \textcolor{keywordflow}{for} (\textcolor{keywordtype}{int} \textcolor{keywordtype}{byte} = 0; \textcolor{keywordtype}{byte} != \textcolor{keyword}{sizeof}(Integral); ++byte) \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00062}00062       dest[byte] = \textcolor{keyword}{static\_cast<}CharT\textcolor{keyword}{>}(\mbox{\hyperlink{namespacekblib_af9e250fffa2922e623baa08aa8994f54}{to\_unsigned}}(ival)}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00063}00063                                       >> \mbox{\hyperlink{namespacekblib_af9e250fffa2922e623baa08aa8994f54}{to\_unsigned}}(CHAR\_BIT * \textcolor{keywordtype}{byte}));}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00064}00064    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00065}00065 \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00066}00066 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00067}00067 \textcolor{keyword}{template} <\textcolor{keyword}{typename} Integral, \textcolor{keyword}{typename} CharT>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00068}\mbox{\hyperlink{namespacekblib_abc19a82cefecfafd20114ebb93b218ec}{00068}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \mbox{\hyperlink{namespacekblib_abc19a82cefecfafd20114ebb93b218ec}{to\_bytes\_be}}(Integral ival,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00069}00069                            CharT (\&dest)[\textcolor{keyword}{sizeof}(Integral)]) \textcolor{keyword}{noexcept} -\/> \textcolor{keywordtype}{void} \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00070}00070    \textcolor{keyword}{static\_assert}(std::is\_integral<CharT>::value and \textcolor{keyword}{sizeof}(CharT) == 1}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00071}00071                      and not std::is\_same<CharT, bool>::value,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00072}00072                  \textcolor{stringliteral}{"{}CharT must be a char-\/like type."{}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00073}00073    \textcolor{keywordflow}{for} (\textcolor{keyword}{auto} \textcolor{keywordtype}{byte} : \mbox{\hyperlink{namespacekblib_a72690688922a2d4ae9a3e46ff0c1a9a9}{range}}(\textcolor{keyword}{sizeof}(Integral))) \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00074}00074       dest[(\textcolor{keyword}{sizeof}(Integral) -\/ 1) -\/ byte]}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00075}00075           = \textcolor{keyword}{static\_cast<}CharT\textcolor{keyword}{>}(ival >> (CHAR\_BIT * byte));}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00076}00076    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00077}00077 \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00078}00078 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00079}00079 \textcolor{keyword}{template} <\textcolor{keyword}{typename} Integral, \textcolor{keyword}{typename} CharT>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00080}\mbox{\hyperlink{namespacekblib_a5ab8aca1c780d41f099cead14d4227c3}{00080}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \mbox{\hyperlink{namespacekblib_a5ab8aca1c780d41f099cead14d4227c3}{to\_bytes}}(Integral val, CharT (\&dest)[\textcolor{keyword}{sizeof}(Integral)]) \textcolor{keyword}{noexcept}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00081}00081     -\/> \textcolor{keywordtype}{void} \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00082}00082    \textcolor{keyword}{static\_assert}(std::is\_integral<CharT>::value and \textcolor{keyword}{sizeof}(CharT) == 1}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00083}00083                      and not std::is\_same<CharT, bool>::value,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00084}00084                  \textcolor{stringliteral}{"{}CharT must be a char-\/like type."{}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00085}00085    \textcolor{keywordflow}{if} (\mbox{\hyperlink{namespacekblib_adfb43b754fe059940c0e827f48f97e41}{hash\_order}} == endian::little) \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00086}00086       \mbox{\hyperlink{namespacekblib_ac450342ec31e16201b67e3331a23761d}{to\_bytes\_le}}(val, dest);}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00087}00087    \} \textcolor{keywordflow}{else} \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00088}00088       \mbox{\hyperlink{namespacekblib_abc19a82cefecfafd20114ebb93b218ec}{to\_bytes\_be}}(val, dest);}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00089}00089    \}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00091}00091 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00092}\mbox{\hyperlink{namespacekblib_1_1fnv}{00092}} \textcolor{keyword}{namespace }fnv \{}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00100}00100    \textcolor{keyword}{template} <>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00101}\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime_3_01std_1_1uint32__t_01_4}{00101}}    \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime}{fnv\_prime}}<\mbox{\hyperlink{namespacestd}{std}}::uint32\_t>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00102}00102        : std::integral\_constant<std::uint32\_t, 16777619ul> \{\};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00103}00103    \textcolor{keyword}{template} <>}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00105}00105        : std::integral\_constant<std::uint64\_t, 1099511628211ull> \{\};}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00110}00110                                          ? \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime}{fnv\_prime<std::uint64\_t>::value}}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00111}00111                                          : \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime}{fnv\_prime<std::uint32\_t>::value}});}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00118}00118    \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv\_offset}};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00119}00119 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00120}00120    \textcolor{keyword}{template} <>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00121}\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset_3_01std_1_1uint32__t_01_4}{00121}}    \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv\_offset}}<\mbox{\hyperlink{namespacestd}{std}}::uint32\_t>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00122}00122        : std::integral\_constant<std::uint32\_t, 2166136261ul> \{\};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00123}00123    \textcolor{keyword}{template} <>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00124}\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset_3_01std_1_1uint64__t_01_4}{00124}}    \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv\_offset}}<\mbox{\hyperlink{namespacestd}{std}}::uint64\_t>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00125}00125        : std::integral\_constant<std::uint64\_t, 14695981039346656037ull> \{\};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00126}00126 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00127}00127    \textcolor{keyword}{template} <\textcolor{keyword}{typename} UInt>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00128}\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{00128}}    \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv\_offset}} \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00129}\mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset_ab74254c3199753dcaf44a9c3d2a58fda}{00129}}       \mbox{\hyperlink{tdecl_8h_ab79256916a9652cd2d1771ae9a38799f}{KBLIB\_CONSTANT\_M}} UInt value = (\textcolor{keyword}{sizeof}(UInt) == \textcolor{keyword}{sizeof}(std::uint64\_t)}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00130}00130                                          ? \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv\_offset<std::uint64\_t>::value}}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00131}00131                                          : \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv\_offset<std::uint32\_t>::value}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00132}00132    \};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00133}00133 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00134}00134 \} \textcolor{comment}{// namespace fnv}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00135}00135 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00146}00146 \textcolor{keyword}{template} <\textcolor{keyword}{typename} HashInt, \textcolor{keyword}{typename} Span>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00147}\mbox{\hyperlink{namespacekblib_a74d22c0d4828fcf909655abd919bf003}{00147}} \mbox{\hyperlink{tdecl_8h_a7f62d0731631a0e7675f45924b7f5ea0}{KBLIB\_NODISCARD}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \mbox{\hyperlink{namespacekblib_a74d22c0d4828fcf909655abd919bf003}{FNVa}}(Span\&\& s,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00148}00148                                     HashInt hval}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00149}00149                                     = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv::fnv\_offset<HashInt>::value}}) \textcolor{keyword}{noexcept}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00150}00150     -\/> HashInt \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00151}00151    \textcolor{keyword}{static\_assert}(\textcolor{keyword}{sizeof}(*std::begin(s)) == 1,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00152}00152                  \textcolor{stringliteral}{"{}Can only hash char-\/like objects."{}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00153}00153    \textcolor{keyword}{const} HashInt prime = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime}{fnv::fnv\_prime<HashInt>::value}};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00154}00154    \textcolor{keywordflow}{for} (\textcolor{keyword}{auto}\&\& c : s) \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00155}00155       hval \string^= \textcolor{keyword}{static\_cast<}HashInt\textcolor{keyword}{>}(\textcolor{keyword}{static\_cast<}\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char}\textcolor{keyword}{>}(c));}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00156}00156       hval *= prime;}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00157}00157    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00158}00158    \textcolor{keywordflow}{return} hval;}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00159}00159 \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00160}00160 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00172}00172 \textcolor{keyword}{template} <\textcolor{keyword}{typename} HashInt, \textcolor{keyword}{typename} CharT, std::\textcolor{keywordtype}{size\_t} N>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00173}\mbox{\hyperlink{namespacekblib_ac550cfcd270e104a007c7b7a8fcad098}{00173}} \mbox{\hyperlink{tdecl_8h_a7f62d0731631a0e7675f45924b7f5ea0}{KBLIB\_NODISCARD}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \mbox{\hyperlink{namespacekblib_ac550cfcd270e104a007c7b7a8fcad098}{FNVa\_a}}(}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00174}00174     \textcolor{keyword}{const} CharT (\&s)[N],}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00175}00175     HashInt hval = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv::fnv\_offset<HashInt>::value}}) \textcolor{keyword}{noexcept} -\/> HashInt \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00176}00176    \textcolor{keyword}{static\_assert}(\textcolor{keyword}{sizeof}(s[0]) == 1, \textcolor{stringliteral}{"{}Can only hash char-\/like objects."{}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00177}00177    \textcolor{keyword}{const} HashInt prime = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime}{fnv::fnv\_prime<HashInt>::value}};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00178}00178    \textcolor{keywordflow}{for} (\textcolor{keyword}{auto}\&\& c : s) \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00179}00179       hval \string^= \textcolor{keyword}{static\_cast<}HashInt\textcolor{keyword}{>}(\textcolor{keyword}{static\_cast<}\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char}\textcolor{keyword}{>}(c));}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00180}00180       hval *= prime;}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00181}00181    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00182}00182    \textcolor{keywordflow}{return} hval;}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00183}00183 \}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00185}00185 \textcolor{preprocessor}{\#if KBLIB\_USE\_CXX17}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00194}\mbox{\hyperlink{namespacekblib_a8d67d64eac176d35844a629ff0aeacdf}{00194}} \mbox{\hyperlink{tdecl_8h_a7f62d0731631a0e7675f45924b7f5ea0}{KBLIB\_NODISCARD}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \mbox{\hyperlink{namespacekblib_a8d67d64eac176d35844a629ff0aeacdf}{FNV32a}}(}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00195}00195     std::string\_view s,}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00196}00196     std::uint32\_t hval = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv::fnv\_offset<std::uint32\_t>::value}}) \textcolor{keyword}{noexcept}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00197}00197     -\/> std::uint32\_t \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00198}00198    \textcolor{keyword}{const} std::uint32\_t prime = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__prime}{fnv::fnv\_prime<std::uint32\_t>::value}};}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00200}00200       hval \string^= \textcolor{keyword}{static\_cast<}std::uint32\_t\textcolor{keyword}{>}(\textcolor{keyword}{static\_cast<}\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char}\textcolor{keyword}{>}(c));}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00201}00201       hval *= prime;}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00210}00210     HashInt hval = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv::fnv\_offset<HashInt>::value}}) \textcolor{keyword}{noexcept} -\/> HashInt \{}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00213}00213    \textcolor{comment}{//    hval \string^= static\_cast<HashInt>(static\_cast<unsigned char>(*pos));}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00217}00217       hval \string^= \textcolor{keyword}{static\_cast<}HashInt\textcolor{keyword}{>}(\textcolor{keyword}{static\_cast<}\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char}\textcolor{keyword}{>}(*pos));}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00236}00236     -\/> std::uint32\_t \{}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00239}00239       hval \string^= \textcolor{keyword}{static\_cast<}std::uint32\_t\textcolor{keyword}{>}(\textcolor{keyword}{static\_cast<}\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char}\textcolor{keyword}{>}(c));}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00240}00240       hval *= prime;}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00252}00252       hval *= prime;}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00253}00253    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00254}00254    \textcolor{keywordflow}{return} hval;}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00257}00257 \textcolor{keyword}{inline} \textcolor{keyword}{namespace }literals \{}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00264}00264       \textcolor{keywordflow}{return} FNVa\_s<std::uint32\_t>(str, \mbox{\hyperlink{namespacekblib_a793fd30664717fe1da593bf53e895e9d}{length}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00265}00265    \}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00270}\mbox{\hyperlink{namespacekblib_1_1literals_a36cd43f6611c58129a26aba0ac78e434}{00270}}    \mbox{\hyperlink{tdecl_8h_a7f62d0731631a0e7675f45924b7f5ea0}{KBLIB\_NODISCARD}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \textcolor{keyword}{operator}\textcolor{stringliteral}{"{}"{}}\_fnv64(\textcolor{keyword}{const} \textcolor{keywordtype}{char}* str,}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00272}00272        -\/> std::uint64\_t \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00273}00273       \textcolor{keywordflow}{return} FNVa\_s<std::uint64\_t>(str, \mbox{\hyperlink{namespacekblib_a793fd30664717fe1da593bf53e895e9d}{length}});}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00274}00274    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00275}00275 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00276}00276    \textcolor{comment}{// google-\/runtime-\/int not relevant here due to standard requirements}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00277}\mbox{\hyperlink{namespacekblib_1_1literals_a598ef69dec16cf39b62eb2967789eafc}{00277}}    \mbox{\hyperlink{tdecl_8h_a7f62d0731631a0e7675f45924b7f5ea0}{KBLIB\_NODISCARD}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \textcolor{keyword}{operator}\textcolor{stringliteral}{"{}"{}}\_fnv32(\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{long} \textcolor{keywordtype}{long} val)}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00279}00279       \textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char} bytes[\textcolor{keyword}{sizeof}(\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{long} long)]\{\};}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00282}00282    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00283}00283 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00284}\mbox{\hyperlink{namespacekblib_1_1literals_abb287d29a45213778942fec4b9aecc86}{00284}}    \mbox{\hyperlink{tdecl_8h_a7f62d0731631a0e7675f45924b7f5ea0}{KBLIB\_NODISCARD}} \textcolor{keyword}{constexpr} \textcolor{keyword}{auto} \textcolor{keyword}{operator}\textcolor{stringliteral}{"{}"{}}\_fnv64(\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{long} \textcolor{keywordtype}{long} val)}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00285}00285        -\/> std::uint64\_t \{}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00286}00286       \textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{char} bytes[\textcolor{keyword}{sizeof}(\textcolor{keywordtype}{unsigned} \textcolor{keywordtype}{long} long)]\{\};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00287}00287       \mbox{\hyperlink{namespacekblib_a5ab8aca1c780d41f099cead14d4227c3}{to\_bytes}}(val, bytes);}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00288}00288       \textcolor{keywordflow}{return} FNVa\_a<std::uint64\_t>(bytes);}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00289}00289    \}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00290}00290 }
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00291}00291 \} \textcolor{comment}{// namespace literals}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00301}00301     = CHAR\_BIT * \textcolor{keyword}{sizeof}(T) -\/ std::numeric\_limits<T>::digits}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00308}\mbox{\hyperlink{structkblib_1_1padding__bits}{00308}} \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1padding__bits}{padding\_bits}} : std::integral\_constant<int, padding\_bits\_v<T>> \{\};}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00310}00310 }
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00333}00333 \textcolor{keyword}{template} <\textcolor{keyword}{typename} Key = \textcolor{keywordtype}{void}, \textcolor{keyword}{typename} HashInt = std::\textcolor{keywordtype}{size\_t}, \textcolor{keyword}{typename} = \textcolor{keywordtype}{void}>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00334}\mbox{\hyperlink{structkblib_1_1_f_n_v__hash}{00334}} \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1_f_n_v__hash}{FNV\_hash}} \{}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00339}\mbox{\hyperlink{structkblib_1_1_f_n_v__hash_aba9ad0c434b5ffc85e7fe5e42e386cff}{00339}}    \mbox{\hyperlink{structkblib_1_1_f_n_v__hash}{FNV\_hash}}\& \mbox{\hyperlink{structkblib_1_1_f_n_v__hash_aba9ad0c434b5ffc85e7fe5e42e386cff}{operator=}}(\mbox{\hyperlink{structkblib_1_1_f_n_v__hash}{FNV\_hash}}\&\&) = \textcolor{keyword}{delete};}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00340}00340 \};}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00342}00342 \textcolor{keyword}{template} <\textcolor{keyword}{typename} Key, \textcolor{keyword}{typename} = \textcolor{keywordtype}{void}>}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00343}\mbox{\hyperlink{structkblib_1_1is__hashable}{00343}} \textcolor{keyword}{struct }\mbox{\hyperlink{structkblib_1_1is__hashable}{is\_hashable}} : std::false\_type \{\};}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00352}00352 \textcolor{keyword}{template} <\textcolor{keyword}{typename} Key>}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00688}00688 \} \textcolor{comment}{// namespace detail\_hash}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00702}00702        HashInt offset = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv::fnv\_offset<HashInt>::value}}) \textcolor{keyword}{const} \textcolor{keyword}{noexcept}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00732}00732        -\/> HashInt \{}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00734}00734       offset = \mbox{\hyperlink{structkblib_1_1_f_n_v__hash}{FNV\_hash<HashInt>}}\{\}(key.index(), offset);}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00757}00757        HashInt offset = \mbox{\hyperlink{structkblib_1_1fnv_1_1fnv__offset}{fnv::fnv\_offset<HashInt>::value}}) \textcolor{keyword}{const} \textcolor{keyword}{noexcept}}
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\DoxyCodeLine{\Hypertarget{hash_8h_source_l00773}00773 \} \textcolor{comment}{// namespace KBLIB\_NS}}
\DoxyCodeLine{\Hypertarget{hash_8h_source_l00774}00774 }
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