set_alphabet(std::string const&)ΒΆ
-
void
libsemigroups::FpSemigroupInterface
::
set_alphabet
(std::string const &a) Set the alphabet of the finitely presented semigroup.
- Return
(None)
- Complexity
Constant.
- See
- Parameters
a
: the alphabet.
- Exceptions
LibsemigroupsException
: If the alphabet has already ! been set to another value, the parametera
is empty, or there are ! repeated characters ina
.