fix CR comments

Author: weilerN

pkg/ingressCache/pathTrie.go

@@ -8,15 +8,15 @@ import (
 	"github.com/nuclio/errors"
 )
 
+type PathTree struct {
+	t *trie.PathTrie
+}
+
 // NewPathTree creates a new PathTree instance
 func NewPathTree() *PathTree {
 	return &PathTree{trie.NewPathTrie()}
 }
 
-type PathTree struct {
-	t *trie.PathTrie
-}
-
 // SetFunctionName sets a function for a given path. If the path does not exist, it creates it
 func (p *PathTree) SetFunctionName(path string, function string) error {
 	if path == "" {
@@ -27,7 +27,7 @@ func (p *PathTree) SetFunctionName(path string, function string) error {
 		return errors.New("function is empty")
 	}
 
-	// get the exact path value in order to avoid creating a new path if it does not exist
+	// get the exact path value in order to avoid creating a new path if it already exists
 	pathValue := p.t.Get(path)
 	if pathValue == nil {
 		p.t.Put(path, []string{function})
@@ -98,6 +98,7 @@ func (p *PathTree) GetFunctionName(path string) ([]string, error) {
 	return output, nil
 }
 
+// TODO - will be removed once moving into efficient pathFunctionNames implementation (i.e. not using slices)
 func excludeElemFromSlice(slice []string, elem string) []string {
 	// 'j' is the "write" index. It tracks where the next element to keep should be placed.
 	j := 0