From Jason Turner

[string.op+]

C++14 → C++17 3.7 KB 124 lines
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Archived: C++14 | C++17
Markdown: C++14 | C++17
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tmp/tmpjtkcww7t/{from.md → to.md} RENAMED
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+ #### `operator+` <a id="string.op+">[[string.op+]]</a>
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(const basic_string<charT, traits, Allocator>& lhs,
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+ const basic_string<charT, traits, Allocator>& rhs);
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+ ```
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+
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+ *Returns:* `basic_string<charT, traits, Allocator>(lhs).append(rhs)`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(basic_string<charT, traits, Allocator>&& lhs,
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+ const basic_string<charT, traits, Allocator>& rhs);
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+ ```
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+
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+ *Returns:* `std::move(lhs.append(rhs))`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(const basic_string<charT, traits, Allocator>& lhs,
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+ basic_string<charT, traits, Allocator>&& rhs);
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+ ```
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+
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+ *Returns:* `std::move(rhs.insert(0, lhs))`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(basic_string<charT, traits, Allocator>&& lhs,
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+ basic_string<charT, traits, Allocator>&& rhs);
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+ ```
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+
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+ *Returns:* `std::move(lhs.append(rhs))`.
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+
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+ [*Note 1*: Or equivalently,
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+ `std::move(rhs.insert(0, lhs))`. — *end note*]
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(const charT* lhs,
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+ const basic_string<charT, traits, Allocator>& rhs);
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+ ```
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+
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+ *Returns:* `basic_string<charT, traits, Allocator>(lhs) + rhs`.
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+
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+ *Remarks:* Uses `traits::length()`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(const charT* lhs,
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+ basic_string<charT, traits, Allocator>&& rhs);
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+ ```
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+
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+ *Returns:* `std::move(rhs.insert(0, lhs))`.
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+
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+ *Remarks:* Uses `traits::length()`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(charT lhs,
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+ const basic_string<charT, traits, Allocator>& rhs);
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+ ```
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+
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+ *Returns:* `basic_string<charT, traits, Allocator>(1, lhs) + rhs`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(charT lhs,
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+ basic_string<charT, traits, Allocator>&& rhs);
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+ ```
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+
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+ *Returns:* `std::move(rhs.insert(0, 1, lhs))`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(const basic_string<charT, traits, Allocator>& lhs,
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+ const charT* rhs);
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+ ```
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+
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+ *Returns:* `lhs + basic_string<charT, traits, Allocator>(rhs)`.
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+
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+ *Remarks:* Uses `traits::length()`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(basic_string<charT, traits, Allocator>&& lhs,
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+ const charT* rhs);
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+ ```
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+
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+ *Returns:* `std::move(lhs.append(rhs))`.
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+
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+ *Remarks:* Uses `traits::length()`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(const basic_string<charT, traits, Allocator>& lhs,
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+ charT rhs);
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+ ```
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+
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+ *Returns:* `lhs + basic_string<charT, traits, Allocator>(1, rhs)`.
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+
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+ ``` cpp
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+ template<class charT, class traits, class Allocator>
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+ basic_string<charT, traits, Allocator>
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+ operator+(basic_string<charT, traits, Allocator>&& lhs,
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+ charT rhs);
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+ ```
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+
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+ *Returns:* `std::move(lhs.append(1, rhs))`.
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+