validate_letter(letter_type) const

Warning

doxygenfunction: Unable to resolve multiple matches for function “libsemigroups::FpSemigroup::validate_letter” with arguments (letter_type) cons) in doxygen xml output for project “libsemigroups” from directory: ../build/xml. Potential matches:

- void validate_letter(char c) const
- void validate_letter(letter_type c) const