Refactored/reorganized utils

internal/util/error.go

@@ -0,0 +1,25 @@
+package util
+
+import "fmt"
+
+// FormatErrorList() is a wrapper function that unifies error list formatting
+// and makes printing error lists consistent.
+//
+// NOTE: The error returned IS NOT an error in itself and may be a bit misleading.
+// Instead, it is a single condensed error composed of all of the errors included
+// in the errList argument.
+func FormatErrorList(errList []error) error {
+	var err error
+	for i, e := range errList {
+		err = fmt.Errorf("\t[%d] %v\n", i, e)
+		i += 1
+	}
+	return err
+}
+
+// HasErrors() is a simple wrapper function to check if an error list contains
+// errors. Having a function that clearly states its purpose helps to improve
+// readibility although it may seem pointless.
+func HasErrors(errList []error) bool {
+	return len(errList) > 0
+}