mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-29 01:03:45 +00:00
346 lines
8.3 KiB
ReStructuredText
346 lines
8.3 KiB
ReStructuredText
.. _sprout-string-basic_string-constructor-:
|
|
###############################################################################
|
|
basic_string
|
|
###############################################################################
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
SPROUT_CONSTEXPR basic_string() = default;
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an empty object of class basic_string.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>();
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
SPROUT_CONSTEXPR basic_string(basic_string const&) = default;
|
|
|
|
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 < N)>::type>
|
|
SPROUT_CONSTEXPR basic_string(basic_string<T, N2, Traits> const& str);
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an object of class basic_string.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>("homuhomu");
|
|
SPROUT_STATIC_CONSTEXPR auto y = string<8>(x);
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
SPROUT_CONSTEXPR basic_string(basic_string const& str, size_type pos, size_type n = npos);
|
|
|
|
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 < N)>::type>
|
|
SPROUT_CONSTEXPR basic_string(basic_string<T, N2, Traits> const& str, size_type pos, size_type n = npos);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| ``pos <= str.size()``.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an object of class basic_string and determines the effective length rlen of the initial string value as the smaller of n and ``str.size() - pos``.
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``pos > str.size()``.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>("homuhomu");
|
|
SPROUT_STATIC_CONSTEXPR auto y = string<8>(x, 4, 4);
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 - 1 <= N)>::type>
|
|
SPROUT_CONSTEXPR basic_string(T const(& arr)[N2]);
|
|
|
|
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 - 1 <= N)>::type>
|
|
SPROUT_CONSTEXPR basic_string(T const(& arr)[N2], size_type n);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| ``min(n, rlen) <= N`` where rlen is length of arr.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an object of class basic_string.
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``min(n, rlen) > N`` where rlen is length of arr.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>("homuhomu");
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
explicit SPROUT_CONSTEXPR basic_string(value_type const* s);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| s points to an array of at least ``traits_type::length(s) + 1`` elements of value_type.
|
|
| ``traits_type::length(s) <= N``.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an object of class basic_string and determines its initial string value from the array of value_type of length ``traits_type::length(s)`` whose first element is designated by s.
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``traits_type::length(s) > N``.
|
|
|
|
Remarks
|
|
========================================
|
|
|
|
| Uses ``traits_type::length()``.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR char const* input = "homuhomu";
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>(input);
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(logN)* (logarithmic) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
SPROUT_CONSTEXPR basic_string(value_type const* s, size_type n);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| s points to an array of at least n elements of value_type.
|
|
| ``min(n, traits_type::length(s)) <= N``.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an object of class basic_string and determines its initial string value from the array of value_type of length n whose first element is designated by s.
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``min(n, traits_type::length(s)) > N``.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR char const* input = "homuhomu";
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>(input, 4);
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(logN)* (logarithmic) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
SPROUT_CONSTEXPR basic_string(size_type n, value_type c);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| ``n < N``.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Constructs an object of class basic_string and determines its initial string value by repeating the char-like object c for all n elements.
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``n > N``.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>(8, 'H');
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
template<typename InputIterator>
|
|
SPROUT_CONSTEXPR basic_string(InputIterator first, InputIterator last);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| ``distance(first, last) <= N``.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| If InputIterator is an integral type, equivalent to ``basic_string(static_cast<size_type>(first), static_cast<value_type>(last))``.
|
|
| Otherwise constructs a string from the values in the range [begin,end).
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``distance(first, last) > N``.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>("homuhomu");
|
|
SPROUT_STATIC_CONSTEXPR auto y = string<8>(x.begin(), x.end());
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth if InputIterator meets ConstexprRandomAccessIterator requirements or an integral type, and *O(logN)* (logarithmic) depth otherwise.
|
|
|
|
----
|
|
|
|
Interface
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
basic_string(std::initializer_list<value_type> il);
|
|
|
|
Requires
|
|
========================================
|
|
|
|
| ``il.size() <= N``.
|
|
|
|
Effects
|
|
========================================
|
|
|
|
| Same as ``basic_string(il.begin(), il.end())``.
|
|
|
|
Throws
|
|
========================================
|
|
|
|
| std::out_of_range if ``il.size() > N``.
|
|
|
|
Examples
|
|
========================================
|
|
.. sourcecode:: c++
|
|
|
|
#include <sprout/string.hpp>
|
|
using namespace sprout;
|
|
|
|
SPROUT_STATIC_CONSTEXPR auto x = string<8>({'h', 'o', 'm', 'u', 'h', 'o', 'm', 'u'});
|
|
|
|
Complexity
|
|
========================================
|
|
|
|
| Recursive function invocations in *O(1)* (constant) depth.
|
|
|
|
Header
|
|
========================================
|
|
|
|
| ``sprout/string/string.hpp``
|
|
| Convenience header: ``sprout/string.hpp``
|
|
|