1 files changed, 5 insertions, 0 deletions
diff --git a/lib/lemma.cpp b/lib/lemma.cpp
index f9e9fcc..7fdc360 100644
--- a/lib/lemma.cpp
+++ b/lib/lemma.cpp

@@ -21,6 +21,11 @@ namespace verbly {
    return (lemma::formJoin %= joinCondition) && (lemma::inflectionCategory == check.getCategory());
  }
  
+  lemma::inflection_field::operator filter() const
+  {
+    return (lemma::inflectionCategory == category_);
+  }
+  
  lemma::lemma(const database& db, sqlite3_stmt* row) : db_(&db), valid_(true)
  {
    id_ = sqlite3_column_int(row, 0);