mirror of
https://github.com/bolero-MURAKAMI/Sprout
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45 lines
1.1 KiB
ReStructuredText
45 lines
1.1 KiB
ReStructuredText
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.. _sprout-string-basic_string-at:
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###############################################################################
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at
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###############################################################################
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Interface
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========================================
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.. sourcecode:: c++
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reference at(size_type n);
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SPROUT_CONSTEXPR const_reference at(size_type n) const;
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Returns
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========================================
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| The element at the specified position in the string.
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Throws
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========================================
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| It throws std::out_of_range if n is out of bounds.
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Examples
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========================================
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.. sourcecode:: c++
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#include <sprout/string.hpp>
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using namespace sprout;
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SPROUT_STATIC_CONSTEXPR auto input = string<8>("homuhomu");
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static_assert(input.at(4) == 'h', "an element at position 5 is h.");
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Complexity
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========================================
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| Recursive function invocations in *O(1)* (constant) depth.
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Header
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========================================
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| ``sprout/string/string.hpp``
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| Convenience header: ``sprout/string.hpp``
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