These functions are user-facing and need docstrings (oops!):

gb.agg.from_stringgb.binary.from_stringgb.indexunary.from_stringgb.monoid.from_stringgb.op.from_stringgb.select.from_stringgb.semiring.from_stringgb.unary.from_string

These are what power strings to be passed in place of operators, such asA.mxm(A, "plus.times") orA.mxm(A, "+.*[int32]").