19 Diagnostics library [diagnostics]

19.2 Exception classes [std.exceptions]

19.2.5 Class length_­error [length.error]

namespace std {
  class length_error : public logic_error {
  public:
    explicit length_error(const string& what_arg);
    explicit length_error(const char* what_arg);
  };
}
The class length_­error defines the type of objects thrown as exceptions to report an attempt to produce an object whose length exceeds its maximum allowable size.
length_error(const string& what_arg);
Ensures: strcmp(what(), what_­arg.c_­str()) == 0.
length_error(const char* what_arg);
Ensures: strcmp(what(), what_­arg) == 0.