small fix

mlr-org · Nov 25, 2024 · a6a5fa3 · a6a5fa3
1 parent 97bf673
commit a6a5fa3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/R/Filter.R b/R/Filter.R
@@ -122,7 +122,7 @@ Filter = R6Class("Filter",
     print = function() {
       cli_h1(sprintf("%s %s%s", class(self)[1L], self$id, if (is.na(self$label)) "" else paste0(": ", self$label)))
       cli_li(sprintf("Task Types: %s", paste(self$task_types, collapse = ", ")))
-      cli_li(sprintf("Properties: %s", paste(self$properties, collapse = ", ")))
+      cli_li(sprintf("Properties: %s", if (length(self$properties)) paste(self$properties, collapse = ", ") else "-"))
       cli_li(sprintf("Task Properties: %s", paste(self$task_properties, collapse = ", ")))
       cli_li(sprintf("Packages: %s", paste(self$packages, collapse = ", ")))
       cli_li(sprintf("Feature types: %s", paste(self$feature_types, collapse = ", ")))