tmp/tmpt5zsz5ol/{from.md → to.md}
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### Class template `basic_format_string` <a id="format.fmt.string">[[format.fmt.string]]</a>
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``` cpp
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namespace std {
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template<class charT, class... Args>
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struct basic_format_string {
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private:
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basic_string_view<charT> str; // exposition only
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public:
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template<class T> consteval basic_format_string(const T& s);
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constexpr basic_string_view<charT> get() const noexcept { return str; }
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};
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}
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```
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``` cpp
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template<class T> consteval basic_format_string(const T& s);
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```
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*Constraints:* `const T&` models
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`convertible_to<basic_string_view<charT>>`.
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*Effects:* Direct-non-list-initializes *str* with `s`.
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*Remarks:* A call to this function is not a core constant
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expression [[expr.const]] unless there exist `args` of types `Args` such
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that *str* is a format string for `args`.
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