use 'Not' instead of 'WhereNot'

go/fn/examples/example_select_exclude_test.go

@@ -18,6 +18,6 @@ func Example_selectExclude() {
 // NOT have the label foo=bar, and removes the rest.
 func selectResources(rl *fn.ResourceList) (bool, error) {
 	rl.Items = rl.Items.Where(fn.IsGVK("apps/v1", "Deployment")).
-		WhereNot(fn.HasLabels(map[string]string{"foo": "bar"}))
+		Where(fn.Not(fn.HasLabels(map[string]string{"foo": "bar"})))
 	return true, nil
 }

go/fn/object.go

@@ -793,7 +793,7 @@ func (o KubeObjects) String() string {
 }
 
 // Where will return the subset of objects in KubeObjects such that f(object) returns 'true'.
-func (o KubeObjects) Where(f func(o *KubeObject) bool) KubeObjects {
+func (o KubeObjects) Where(f func(*KubeObject) bool) KubeObjects {
 	var result KubeObjects
 	for _, obj := range o {
 		if f(obj) {
@@ -803,6 +803,13 @@ func (o KubeObjects) Where(f func(o *KubeObject) bool) KubeObjects {
 	return result
 }
 
+// Not returns will return a function that returns the opposite of f(object), i.e. !f(object)
+func Not(f func(*KubeObject) bool) func(o *KubeObject) bool {
+	return func(o *KubeObject) bool {
+		return !f(o)
+	}
+}
+
 // WhereNot will return the subset of objects in KubeObjects such that f(object) returns 'false'.
 func (o KubeObjects) WhereNot(f func(o *KubeObject) bool) KubeObjects {
 	var result KubeObjects

go/fn/object_test.go

@@ -363,7 +363,7 @@ metadata:
     bar: foo`)
 
 	// exclude all services and meta resources
-	items = input.WhereNot(IsGVK("apps/v1", "Service")).WhereNot(IsMetaResource())
+	items = input.Where(Not(IsGVK("apps/v1", "Service"))).WhereNot(IsMetaResource())
 	assert.Equal(t, items.String(), `apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -389,7 +389,7 @@ metadata:
     bar: foo`)
 
 	// exclude all resources with the annotation foo=bar
-	items = input.WhereNot(HasAnnotations(map[string]string{"foo": "bar"}))
+	items = input.Where(Not(HasAnnotations(map[string]string{"foo": "bar"})))
 	assert.Equal(t, items.String(), `apiVersion: apps/v1
 kind: Deployment
 metadata: