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Clarify lifetime of basic_format_args
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@ -1256,7 +1256,16 @@ inline format_arg_store<Context, Args...> make_format_args(
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return {args...};
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}
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/** Formatting arguments. */
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/**
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\rst
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A view of a collection of formatting arguments. To avoid lifetime issues it
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should only be used as a parameter type in type-erased functions such as
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``vformat``::
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void vlog(fmt::string_view format_str, fmt::format_args args); // OK
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fmt::format_args args = fmt::make_format_args(42); // Error: dangling reference
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\endrst
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*/
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template <typename Context> class basic_format_args {
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public:
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using size_type = int;
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