cppdraft_translate/cppdraft/underflow/error.md

[underflow.error]

19 Diagnostics library [diagnostics]

19.2 Exception classes [std.exceptions]

19.2.11 Class underflow_error [underflow.error]

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namespace std {class underflow_error : public runtime_error {public:constexpr explicit underflow_error(const string& what_arg); constexpr explicit underflow_error(const char* what_arg); };}

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The classunderflow_error defines the type of objects thrown as exceptions to report an arithmetic underflow error.

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constexpr underflow_error(const string& what_arg);

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Postconditions: strcmp(what(), what_arg.c_str()) == 0.

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constexpr underflow_error(const char* what_arg);

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Postconditions: strcmp(what(), what_arg) == 0.