tmp/tmp_nvcd97i/{from.md → to.md}
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#### Class template `basic_format_args` <a id="format.args">[[format.args]]</a>
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``` cpp
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namespace std {
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template<class Context>
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class basic_format_args {
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size_t size_; // exposition only
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const basic_format_arg<Context>* data_; // exposition only
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public:
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basic_format_args() noexcept;
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template<class... Args>
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basic_format_args(const format-arg-store<Context, Args...>& store) noexcept;
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basic_format_arg<Context> get(size_t i) const noexcept;
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};
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}
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```
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An instance of `basic_format_args` provides access to formatting
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arguments.
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``` cpp
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basic_format_args() noexcept;
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```
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*Effects:* Initializes `size_` with `0`.
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``` cpp
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template<class... Args>
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basic_format_args(const format-arg-store<Context, Args...>& store) noexcept;
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```
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*Effects:* Initializes `size_` with `sizeof...(Args)` and `data_` with
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`store.args.data()`.
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``` cpp
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basic_format_arg<Context> get(size_t i) const noexcept;
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```
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*Returns:* `i < size_ ? data_[i] : basic_format_arg<Context>()`.
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[*Note 1*: Implementations are encouraged to optimize the
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representation of `basic_format_args` for small number of formatting
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arguments by storing indices of type alternatives separately from values
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and packing the former. — *end note*]
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