Chore: Enable exhaustive linter (#29458)

* Chore: Enable exhaustive linter

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/expr/mathexp/funcs.go

@@ -107,6 +107,9 @@ func perFloat(val Value, floatF func(x float64) float64) (Value, error) {
 			}
 		}
 		newVal = newSeries
+	default:
+		// TODO: Should we deal with TypeString, TypeVariantSet?
 	}
+
 	return newVal, nil
 }

pkg/expr/mathexp/type_series.go

@@ -46,6 +46,8 @@ func SeriesFromFrame(frame *data.Frame) (s Series, err error) {
 			s.ValueIsNullabe = true
 			foundValue = true
 			s.ValueIdx = i
+		default:
+			// Handle default case
 		}
 	}
 	if !foundTime {