19 Diagnostics library [diagnostics]

19.2 Exception classes [std.exceptions]

19.2.5 Class invalid_­argument [invalid.argument]

namespace std { class invalid_argument : public logic_error { public: explicit invalid_argument(const string& what_arg); explicit invalid_argument(const char* what_arg); }; }
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The class invalid_­argument defines the type of objects thrown as exceptions to report an invalid argument.
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invalid_argument(const string& what_arg);
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Postconditions: strcmp(what(), what_­arg.c_­str()) == 0.
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invalid_argument(const char* what_arg);
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Postconditions: strcmp(what(), what_­arg) == 0.