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add Sprout.String example

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manga_osyo 2012-05-17 16:02:24 +09:00
parent 8d65cc7238
commit 43c058d3fe
2 changed files with 149 additions and 0 deletions
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60
libs/string/example/literals_to_string.cpp Normal file
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//
// Sprout C++ Library
//
// Copyright (c) 2012
// bolero-MURAKAMI : http://d.hatena.ne.jp/boleros/
// osyo-manga : http://d.hatena.ne.jp/osyo-manga/
//
// Readme:
// https://github.com/osyo-manga/cpp-half/blob/master/README
//
// License:
// Boost Software License - Version 1.0
// <http://www.boost.org/LICENSE_1_0.txt>
//
#include <sprout/string.hpp>
int
main(){
//
// String literal to Sprout.String
//
{
static constexpr auto str1 = sprout::to_string("homu");
static_assert(str1 == "homu", "");
static_assert(std::is_same<decltype(str1), sprout::string<4> const>{}, "");
static constexpr auto str2 = sprout::to_string(L"ほむほむ");
static_assert(str2 == L"ほむほむ", "");
static_assert(std::is_same<decltype(str2), sprout::wstring<4> const>{}, "");
}
//
// Integer literal to Sprout.String
//
{
static constexpr auto str = sprout::to_string(42);
static_assert(str == "42", "");
}
//
// Float literal to Sprout.String
//
{
static constexpr auto str = sprout::to_string(3.14f);
static_assert(str == "3.140000", "");
}
//
// Char literal to Sprout.String
//
{
static constexpr auto str = sprout::make_string('m', 'a', 'd', 'o');
static_assert(str == "mado", "");
static_assert(std::is_same<decltype(str), sprout::string<4> const>{}, "");
}
return 0;
}

89
libs/string/example/simple.cpp Normal file
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//
// Sprout C++ Library
//
// Copyright (c) 2012
// bolero-MURAKAMI : http://d.hatena.ne.jp/boleros/
// osyo-manga : http://d.hatena.ne.jp/osyo-manga/
//
// Readme:
// https://github.com/osyo-manga/cpp-half/blob/master/README
//
// License:
// Boost Software License - Version 1.0
// <http://www.boost.org/LICENSE_1_0.txt>
//
#include <sprout/string.hpp>
#include <iostream>
#include <sstream>
#include <cassert>
//
// Sprout.String is constexpr string object
//
int
main(){
//
// String literal to Sprout.String
//
static constexpr sprout::string<4> str1 = sprout::to_string("homu");
static constexpr auto str2 = sprout::to_string("mado");
static constexpr auto str3 = sprout::to_string(42);
//
// Comparison
//
static_assert(str1 == sprout::to_string("homu"), "");
static_assert(str2 == "mado", "");
static_assert(str3 == "42", "");
static_assert(str1 != str2, "");
// static_assert(str4 == "97", "");
//
// Accessor
//
static_assert(str1.front() == 'h', "");
static_assert(str1[1] == 'o', "");
static_assert(str1.at(2) == 'm', "");
static_assert(str1.back() == 'u', "");
//
// String concatenation
//
static_assert((str1 + "homu") == "homuhomu", "");
static_assert((str1 + str2) == "homumado", "");
static_assert((str1 + sprout::to_string("42")) == "homu42", "");
//
// C style string
//
constexpr char const* cp = str1.c_str();
static_assert(cp[0] == 'h', "");
//
// Iterator
//
static_assert(*str1.begin() == 'h', "");
static_assert(*(str1.end() - 1) == 'u', "");
static_assert(*(str1.rbegin() + 1) == 'm', "");
static_assert(*(str1.rend() - 2) == 'o', "");
//
// IOStream
//
{
std::ostringstream os;
os << str1;
assert(os.str() == "homu");
}
{
std::istringstream is("mami");
sprout::string<4> str;
is >> str;
assert(str == "mami");
}
return 0;
}