forked from boostorg/static_string
604 lines
11 KiB
C++
604 lines
11 KiB
C++
//
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// Copyright (c) 2019-2020 Krystian Stasiowski (sdkrystian at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/static_string
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//
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#include <string>
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#include <boost/static_string/static_string.hpp>
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// char_traits aren't constexpr until c++17
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#ifdef BOOST_STATIC_STRING_CPP14
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struct cxper_char_traits
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{
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using char_type = char;
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using int_type = int;
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using state_type = mbstate_t;
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static constexpr void assign(char_type& c1, const char_type& c2) noexcept {}
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static constexpr bool eq(char_type c1, char_type c2) noexcept { return true; }
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static constexpr bool lt(char_type c1, char_type c2) noexcept { return true; }
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static constexpr int compare(const char_type* s1, const char_type* s2, size_t n) { return 0; }
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static constexpr size_t length(const char_type* s) { return 0; }
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static constexpr const char_type* find(const char_type* s, size_t n,
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const char_type& a)
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{
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return 0;
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}
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static constexpr char_type* move(char_type* s1, const char_type* s2, size_t n) { return s1; }
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static constexpr char_type* copy(char_type* s1, const char_type* s2, size_t n) { return s1; }
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static constexpr char_type* assign(char_type* s, size_t n, char_type a) { return s; }
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};
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#else
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using cxper_char_traits = std::char_traits<char>;
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#endif
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using cstatic_string = boost::static_string::basic_static_string<50, char, cxper_char_traits>;
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inline
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constexpr
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bool
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testConstantEvaluation()
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{
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#ifdef BOOST_STATIC_STRING_CPP20
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// c++20 constexpr tests
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cstatic_string a;
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cstatic_string b(1, 'a');
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cstatic_string c(b, 0);
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cstatic_string d(b, 0, 1);
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cstatic_string e("a", 1);
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cstatic_string f("a");
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//cstatic_string g(f.begin(), f.end());
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cstatic_string h(f);
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cstatic_string i({'a'});
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// assignment
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a = b;
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a = "a";
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a = 'a';
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a = {'a'};
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// assign
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a.assign(b);
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a.assign(b, 0, 1);
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a.assign("a", 1);
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a.assign("a");
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a.assign(b.begin(), b.end());
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a.assign({'a'});
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a.assign(1, 'a');
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// element access
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{
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auto j = a.at(0);
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}
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{
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auto j = a[0];
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}
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{
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auto j = a.front();
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}
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{
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auto j = a.back();
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}
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{
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auto j = a.data();
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}
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{
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auto j = a.c_str();
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}
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{
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auto j = a.begin();
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}
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{
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auto j = a.cbegin();
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}
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{
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auto j = a.end();
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}
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{
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auto j = a.cend();
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}
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// reverse iterators
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{
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auto j = a.rbegin();
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}
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{
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auto j = a.crbegin();
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}
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{
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auto j = a.rend();
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}
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{
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auto j = a.crend();
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}
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// capacity and size
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auto j = cstatic_string().size() +
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cstatic_string().empty() +
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cstatic_string().length() +
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cstatic_string().max_size() +
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cstatic_string().capacity();
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// clear
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a.clear();
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// insert
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a.insert(a.begin(), 1, 'a');
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a.insert(0, a.begin());
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a.insert(0, a.begin(), 1);
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a.insert(a.begin(), 'a');
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a.insert(a.begin(), {'a'});
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// erase
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a.erase();
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a.erase(a.begin());
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a.erase(a.begin(), a.end());
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// push
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a.push_back('a');
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a.pop_back();
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// append
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a.append(1, 'a');
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a.append("a", 1);
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a.append("a");
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a.append(a.begin(), a.end());
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a.append({'a'});
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// append operator
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a += 'a';
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a += "a";
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a += {'a'};
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// compare
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a.compare(b);
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a.compare(0, 1, b);
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a.compare(0, 1, b, 0, 1);
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a.compare("a");
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a.compare(0, 1, "a");
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a.compare(0, 1, "a", 1);
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// substr
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a.substr(0);
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// subview
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a.subview(0);
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// copy
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char k[20]{};
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a.copy(k, 1, 0);
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// resize
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a.resize(1);
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a.resize(1, 'a');
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// swap
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a.swap(b);
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// replace
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a.replace(0, 1, a);
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a.replace(0, 1, a, 0, 1);
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a.replace(0, 1, a.data(), 1);
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a.replace(0, 1, a.data());
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a.replace(0, 1, 1, 'a');
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a.replace(a.begin(), a.end(), a);
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a.replace(a.begin(), a.end(), a.data(), 1);
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a.replace(a.begin(), a.end(), a.data());
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a.replace(a.begin(), a.end(), 1, 'a');
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a.replace(a.begin(), a.end(), a.begin(), a.end());
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a.replace(a.begin(), a.end(), {'a'});
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#ifdef BOOST_STATIC_STRING_USE_IS_CONST_EVAL
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a.replace(a.begin(), a.end(), "a");
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a.replace(a.begin(), a.end(), "a", 1);
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#endif
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// find
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a.find(a);
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a.find("a", 0, 1);
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a.find("a", 0);
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a.find('a', 0);
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// rfind
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a.rfind(a);
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a.rfind("a", 0, 1);
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a.rfind("a", 0);
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a.rfind('a', 0);
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// find_first_of
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a.find_first_of(a);
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a.find_first_of("a", 0, 1);
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a.find_first_of("a", 0);
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a.find_first_of('a', 0);
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// find_first_not_of
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a.find_first_not_of(a);
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a.find_first_not_of("a", 0, 1);
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a.find_first_not_of("a", 0);
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a.find_first_not_of('a', 0);
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// starts_with
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a.starts_with('a');
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a.starts_with("a");
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// ends_with
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a.ends_with('a');
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a.ends_with("a");
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return true;
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#elif defined(BOOST_STATIC_STRING_CPP17)
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//c++17 constexpr tests
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// ctors
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cstatic_string a;
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cstatic_string b(1, 'a');
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cstatic_string c(b, 0);
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cstatic_string d(b, 0, 1);
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cstatic_string e("a", 1);
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cstatic_string f("a");
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//cstatic_string g(f.begin(), f.end());
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cstatic_string h(f);
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cstatic_string i({'a'});
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// assignment
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a = b;
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a = "a";
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a = 'a';
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a = {'a'};
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// assign
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a.assign(b);
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a.assign(b, 0, 1);
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a.assign("a", 1);
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a.assign("a");
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a.assign(b.begin(), b.end());
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a.assign({'a'});
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a.assign(1, 'a');
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// element access
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{
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auto j = a.at(0);
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}
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{
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auto j = a[0];
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}
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{
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auto j = a.front();
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}
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{
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auto j = a.back();
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}
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{
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auto j = a.data();
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}
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{
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auto j = a.c_str();
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}
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{
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auto j = a.begin();
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}
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{
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auto j = a.cbegin();
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}
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{
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auto j = a.end();
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}
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{
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auto j = a.cend();
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}
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// reverse iterators
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//{
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// auto j = a.rbegin();
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//}
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//{
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// auto j = a.crbegin();
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//}
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//{
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// auto j = a.rend();
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//}
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//{
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// auto j = a.crend();
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//}
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// capacity and size
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auto j = cstatic_string().size() +
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cstatic_string().empty() +
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cstatic_string().length() +
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cstatic_string().max_size() +
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cstatic_string().capacity();
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// clear
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a.clear();
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// insert
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a.insert(a.begin(), 1, 'a');
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a.insert(0, a.begin());
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a.insert(0, a.begin(), 1);
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a.insert(a.begin(), 'a');
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a.insert(a.begin(), {'a'});
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// erase
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a.erase();
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a.erase(a.begin());
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a.erase(a.begin(), a.end());
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// push
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a.push_back('a');
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a.pop_back();
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// append
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a.append(1, 'a');
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a.append("a", 1);
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a.append("a");
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a.append(a.begin(), a.end());
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a.append({'a'});
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// append operator
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a += 'a';
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a += "a";
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a += {'a'};
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// compare
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a.compare(b);
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a.compare(0, 1, b);
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a.compare(0, 1, b, 0, 1);
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a.compare("a");
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a.compare(0, 1, "a");
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a.compare(0, 1, "a", 1);
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// substr
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a.substr(0);
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// subview
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a.subview(0);
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// copy
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char k[20]{};
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a.copy(k, 1, 0);
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// resize
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a.resize(1);
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a.resize(1, 'a');
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// swap
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a.swap(b);
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// replace
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a.replace(0, 1, a);
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a.replace(0, 1, a, 0, 1);
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a.replace(0, 1, a.data(), 1);
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a.replace(0, 1, a.data());
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a.replace(0, 1, 1, 'a');
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a.replace(a.begin(), a.end(), a);
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a.replace(a.begin(), a.end(), a.data(), 1);
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a.replace(a.begin(), a.end(), a.data());
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a.replace(a.begin(), a.end(), 1, 'a');
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a.replace(a.begin(), a.end(), a.begin(), a.end());
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a.replace(a.begin(), a.end(), {'a'});
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#ifdef BOOST_STATIC_STRING_USE_IS_CONST_EVAL
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a.replace(a.begin(), a.end(), "a");
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a.replace(a.begin(), a.end(), "a", 1);
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#endif
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// find
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a.find(a);
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a.find("a", 0, 1);
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a.find("a", 0);
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a.find('a', 0);
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// rfind
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a.rfind(a);
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a.rfind("a", 0, 1);
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a.rfind("a", 0);
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a.rfind('a', 0);
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// find_first_of
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a.find_first_of(a);
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a.find_first_of("a", 0, 1);
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a.find_first_of("a", 0);
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a.find_first_of('a', 0);
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// find_first_not_of
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a.find_first_not_of(a);
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a.find_first_not_of("a", 0, 1);
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a.find_first_not_of("a", 0);
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a.find_first_not_of('a', 0);
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// starts_with
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a.starts_with('a');
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a.starts_with("a");
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// ends_with
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a.ends_with('a');
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a.ends_with("a");
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return true;
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#elif defined(BOOST_STATIC_STRING_CPP14)
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// c++14 constexpr tests
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// ctors
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cstatic_string a;
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cstatic_string b(1, 'a');
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cstatic_string c(b, 0);
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cstatic_string d(b, 0, 1);
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cstatic_string e("a", 1);
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cstatic_string f("a");
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//cstatic_string g(f.begin(), f.end());
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cstatic_string h(f);
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cstatic_string i({'a'});
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// assignment
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a = b;
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a = "a";
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a = 'a';
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a = {'a'};
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// assign
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a.assign(b);
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a.assign(b, 0, 1);
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a.assign("a", 1);
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a.assign("a");
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a.assign(b.begin(), b.end());
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a.assign({'a'});
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a.assign(1, 'a');
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// element access
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{
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auto j = a.at(0);
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}
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{
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auto j = a[0];
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}
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{
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auto j = a.front();
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}
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{
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auto j = a.back();
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}
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{
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auto j = a.data();
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}
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{
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auto j = a.c_str();
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}
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{
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auto j = a.begin();
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}
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{
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auto j = a.cbegin();
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}
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{
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auto j = a.end();
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}
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{
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auto j = a.cend();
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}
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// capacity and size
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auto j = cstatic_string().size() +
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cstatic_string().empty() +
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cstatic_string().length() +
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cstatic_string().max_size() +
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cstatic_string().capacity();
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// clear
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a.clear();
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// insert
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a.insert(a.begin(), 1, 'a');
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a.insert(0, a.begin());
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a.insert(0, a.begin(), 1);
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a.insert(a.begin(), 'a');
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a.insert(a.begin(), {'a'});
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// erase
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a.erase();
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a.erase(a.begin());
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a.erase(a.begin(), a.end());
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// push
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a.push_back('a');
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a.pop_back();
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// append
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a.append(1, 'a');
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a.append("a", 1);
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a.append("a");
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a.append(a.begin(), a.end());
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a.append({'a'});
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// append operator
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a += 'a';
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a += "a";
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a += {'a'};
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// compare
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a.compare(b);
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a.compare(0, 1, b);
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a.compare(0, 1, b, 0, 1);
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a.compare("a");
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a.compare(0, 1, "a");
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a.compare(0, 1, "a", 1);
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// substr
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a.substr(0);
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// subview
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a.subview(0);
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// copy
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char k[20]{};
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a.copy(k, 1, 0);
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// resize
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a.resize(1);
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a.resize(1, 'a');
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// swap
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a.swap(b);
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// replace
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a.replace(0, 1, a);
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a.replace(0, 1, a, 0, 1);
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a.replace(0, 1, a.data(), 1);
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a.replace(0, 1, a.data());
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a.replace(0, 1, 1, 'a');
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a.replace(a.begin(), a.end(), a);
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a.replace(a.begin(), a.end(), a.data(), 1);
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a.replace(a.begin(), a.end(), a.data());
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a.replace(a.begin(), a.end(), 1, 'a');
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a.replace(a.begin(), a.end(), a.begin(), a.end());
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a.replace(a.begin(), a.end(), {'a'});
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#ifdef BOOST_STATIC_STRING_USE_IS_CONST_EVAL
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a.replace(a.begin(), a.end(), "a");
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a.replace(a.begin(), a.end(), "a", 1);
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#endif
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// find
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a.find(a);
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a.find("a", 0, 1);
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a.find("a", 0);
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a.find('a', 0);
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// rfind
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a.rfind(a);
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a.rfind("a", 0, 1);
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a.rfind("a", 0);
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a.rfind('a', 0);
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// find_first_of
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a.find_first_of(a);
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a.find_first_of("a", 0, 1);
|
|
a.find_first_of("a", 0);
|
|
a.find_first_of('a', 0);
|
|
|
|
// find_first_not_of
|
|
a.find_first_not_of(a);
|
|
a.find_first_not_of("a", 0, 1);
|
|
a.find_first_not_of("a", 0);
|
|
a.find_first_not_of('a', 0);
|
|
|
|
// starts_with
|
|
a.starts_with('a');
|
|
a.starts_with("a");
|
|
|
|
// ends_with
|
|
a.ends_with('a');
|
|
a.ends_with("a");
|
|
return true;
|
|
#elif defined(BOOST_STATIC_STRING_CPP11)
|
|
// c++11 constexpr tests
|
|
return cstatic_string().size() +
|
|
cstatic_string().empty() +
|
|
cstatic_string().length() +
|
|
cstatic_string().max_size() +
|
|
cstatic_string().capacity();
|
|
#endif
|
|
} |