Show last parsed line when scheduled task can be partially parsed

Author: strika

src/schedule_parser.janet

@@ -44,5 +44,7 @@
               {:tasks tasks}
               {:errors [(string "Schedule can not be parsed - last parsed task is \""
                                 ((last tasks) :title)
-                                "\"")]}))))
+                                "\""
+                                " on line "
+                                ((last tasks) :line))]}))))
       {:errors ["Schedule can not be parsed"]})))

test/schedule_parser_test.janet

@@ -57,7 +57,7 @@
     ```)
   (def result (schedule_parser/parse schedule-string))
   (test (first (result :errors))
-        "Schedule can not be parsed - last parsed task is \"Weekly Meeting\""))
+        "Schedule can not be parsed - last parsed task is \"Weekly Meeting\" on line 3"))
 
 
 (deftest "returns an error when the schedule is empty"