Semiring(Semiring const&)

Warning

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

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