45 lines
1.3 KiB
Markdown
45 lines
1.3 KiB
Markdown
[string.substr]
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# 27 Strings library [[strings]](./#strings)
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## 27.4 String classes [[string.classes]](string.classes#string.substr)
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### 27.4.3 Class template basic_string [[basic.string]](basic.string#string.substr)
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#### 27.4.3.8 String operations [[string.ops]](string.ops#string.substr)
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#### 27.4.3.8.3 basic_string::substr [string.substr]
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[ð](#lib:substr,basic_string)
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`constexpr basic_string substr(size_type pos = 0, size_type n = npos) const &;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/strings.tex#L4463)
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*Effects*: Equivalent to: return basic_string(*this, pos, n);
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[ð](#lib:substr,basic_string_)
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`constexpr basic_string substr(size_type pos = 0, size_type n = npos) &&;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/strings.tex#L4474)
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*Effects*: Equivalent to: return basic_string(std::move(*this), pos, n);
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[ð](#lib:subview,basic_string)
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`constexpr basic_string_view<charT, traits> subview(size_type pos = 0, size_type n = npos) const;
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/strings.tex#L4485)
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*Effects*: Equivalent to: return basic_string_view<charT, traits>(*this).subview(pos, n);
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