operator=(Semiring const&)

Warning

doxygenfunction: Unable to resolve function “libsemigroups::Semiring::operator=” with arguments (Semiring const&) in doxygen xml output for project “libsemigroups” from directory: ../build/xml. Potential matches:

- Semiring &operator=(Semiring const&) = default
- Semiring &operator=(Semiring&&) = default