tmp/tmpeor_jnkw/{from.md → to.md}
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#### Overview <a id="stacktrace.entry.overview">[[stacktrace.entry.overview]]</a>
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``` cpp
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namespace std {
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class stacktrace_entry {
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public:
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using native_handle_type = implementation-defined // stacktrace_entry::native_handle_type;
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// [stacktrace.entry.cons], constructors
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constexpr stacktrace_entry() noexcept;
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constexpr stacktrace_entry(const stacktrace_entry& other) noexcept;
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constexpr stacktrace_entry& operator=(const stacktrace_entry& other) noexcept;
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~stacktrace_entry();
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// [stacktrace.entry.obs], observers
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constexpr native_handle_type native_handle() const noexcept;
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constexpr explicit operator bool() const noexcept;
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// [stacktrace.entry.query], query
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string description() const;
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string source_file() const;
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uint_least32_t source_line() const;
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// [stacktrace.entry.cmp], comparison
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friend constexpr bool operator==(const stacktrace_entry& x,
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const stacktrace_entry& y) noexcept;
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friend constexpr strong_ordering operator<=>(const stacktrace_entry& x,
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const stacktrace_entry& y) noexcept;
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};
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}
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```
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An object of type `stacktrace_entry` is either empty, or represents a
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stacktrace entry and provides operations for querying information about
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it. The class `stacktrace_entry` models `regular` [[concepts.object]]
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and `three_way_comparable<strong_ordering>` [[cmp.concept]].
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