Changes to be committed:

modified:   pkg/obioptions/version.go
	modified:   pkg/obitools/obitagpcr/pcrtag.go
	modified:   pkg/obiutils/abs.go
	new file:   pkg/obiutils/abs_test.go

pkg/obiutils/abs.go

@@ -2,9 +2,13 @@ package obiutils
 
 import "golang.org/x/exp/constraints"
 
+// Abs returns the absolute value of x.
+//
+// It is a generic function that can be used on any signed type.
 func Abs[T constraints.Signed](x T) T {
 	if x < 0 {
 		return -x
 	}
+
 	return x
 }