/* * call-seq: * index_reader.doc_freq(field, term) -> integer * * Return the number of documents in which the term +term+ appears in the * field +field+. */ static VALUE frb_ir_doc_freq(VALUE self, VALUE rfield, VALUE rterm) { IndexReader *ir = (IndexReader *)DATA_PTR(self); return INT2FIX(ir_doc_freq(ir, frb_field(rfield), StringValuePtr(rterm))); }