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Sprout/source/libs/string/basic_string/assign-iterator.rst

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.. _sprout-string-basic_string-assign-iterator:
###############################################################################
assign
###############################################################################
Interface
========================================
.. sourcecode:: c++
template<typename StringConstIterator>
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SPROUT_CXX14_CONSTEXPR basic_string& assign(StringConstIterator s, size_type n);
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Requires
========================================
| s points to an array of at least n elements of value_type.
Effects
========================================
| Replaces the string controlled by *this with a string of length n whose elements are a copy of those pointed to by s.
Returns
========================================
| ``*this``.
Throws
========================================
| std::length_error if ``n > max_size()``.
Examples
========================================
.. sourcecode:: c++
#include <sprout/string.hpp>
#include <sprout/assert.hpp>
using namespace sprout;
auto x = string<8>("homuhomu");
SPROUT_STATIC_CONSTEXPR auto y = string<8>("madocchi");
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int main() {
x.assign(y.begin(), 8);
SPROUT_ASSERT_MSG(x == y, "y is assigned to x.");
}
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----
Interface
========================================
.. sourcecode:: c++
template<typename StringConstIterator>
basic_string& assign(StringConstIterator s);
Requires
========================================
| s points to an array of at least ``traits_type::length(s) + 1`` elements of value_type.
Effects
========================================
| Calls ``assign(s, traits_type::length(s))``.
Returns
========================================
| ``*this``.
Header
========================================
| ``sprout/string/string.hpp``
| Convenience header: ``sprout/string.hpp``