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Update public methods signatures

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- Update public methods signatures
- Remove 'lastAccess' param
- Add option to pass root for tree.Dump, Iterate, IterateWithStop,
Graphviz (and related)
- Move error messages to const defined error messages for external usage
This commit is contained in:
arnaucube
2021-05-26 17:01:09 +02:00
parent f24fb28266
commit 0b2c3b07ed
8 changed files with 224 additions and 181 deletions
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9
vt.go
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@@ -378,7 +378,7 @@ func (n *node) typ() virtualNodeType {
func (n *node) add(p *params, currLvl int, leaf *node) error {
if currLvl > p.maxLevels-1 {
return fmt.Errorf("max virtual level %d", currLvl)
return ErrMaxVirtualLevel
}
if n == nil {
@@ -411,8 +411,9 @@ func (n *node) add(p *params, currLvl int, leaf *node) error {
}
case vtLeaf:
if bytes.Equal(n.k, leaf.k) {
return fmt.Errorf("key already exists. Existing node: %s, trying to add node: %s",
hex.EncodeToString(n.k), hex.EncodeToString(leaf.k))
return fmt.Errorf("%s. Existing node: %s, trying to add node: %s",
ErrKeyAlreadyExists, hex.EncodeToString(n.k),
hex.EncodeToString(leaf.k))
}
oldLeaf := &node{
@@ -439,7 +440,7 @@ func (n *node) add(p *params, currLvl int, leaf *node) error {
func (n *node) downUntilDivergence(p *params, currLvl int, oldLeaf, newLeaf *node) error {
if currLvl > p.maxLevels-1 {
return fmt.Errorf("max virtual level %d", currLvl)
return ErrMaxVirtualLevel
}
if oldLeaf.path[currLvl] != newLeaf.path[currLvl] {