31 lines
1.1 KiB
Markdown
31 lines
1.1 KiB
Markdown
[bad.exception]
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# 17 Language support library [[support]](./#support)
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## 17.9 Exception handling [[support.exception]](support.exception#bad.exception)
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### 17.9.4 Class bad_exception [bad.exception]
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[ð](#lib:bad_exception)
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namespace std {class bad_exception : public exception {public:// see [[exception]](exception "17.9.3 Class exception") for the specification of the special member functionsconstexpr const char* what() const noexcept override; };}
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L3981)
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The classbad_exception defines the type of the object
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referenced by the exception_ptr returned from a call to current_exception ([[propagation]](propagation "17.9.7 Exception propagation"))
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when the currently active exception object fails to copy[.](#1.sentence-1)
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[ð](#lib:what,bad_exception)
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`constexpr const char* what() const noexcept override;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L3995)
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*Returns*: An implementation-defined ntbs[.](#2.sentence-1)
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