initial commit

backend/pkg/values/values.go

@@ -0,0 +1,24 @@
+package values
+
+// FirstNonZero will return the first non zero value. If none exists,
+// it returns the zero value.
+func FirstNonZero[T comparable](vals ...T) T {
+	var zeroT T
+	for _, v := range vals {
+		if v != zeroT {
+			return v
+		}
+	}
+	return zeroT
+}
+
+// CountNonZero returns the count of items that are non zero
+func CountNonZero[T comparable](vals ...T) (count int) {
+	var zeroT T
+	for _, v := range vals {
+		if v != zeroT {
+			count++
+		}
+	}
+	return count
+}