function definition and usage rationalized

utils.go

@@ -209,3 +209,11 @@ func toInt(value any, description string) (i int, err error) {
 	}
 	return
 }
+
+func ForAll[T, V any](ts []T, fn func(T) V) []V {
+	result := make([]V, len(ts))
+	for i, t := range ts {
+		result[i] = fn(t)
+	}
+	return result
+}