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Diffstat (limited to 'difftree/internal/merkletrie/noder.go')
| -rw-r--r-- | difftree/internal/merkletrie/noder.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/difftree/internal/merkletrie/noder.go b/difftree/internal/merkletrie/noder.go new file mode 100644 index 0000000..3566657 --- /dev/null +++ b/difftree/internal/merkletrie/noder.go @@ -0,0 +1,20 @@ +package merkletrie + +// The Noder interface is implemented by the elements of a Merkle Trie. +type Noder interface { + // Hash returns the hash of the element. + Hash() []byte + // Key returns the key of the element. + Key() string + // Children returns the children of the element, sorted + // in reverse key alphabetical order. + Children() []Noder + // NumChildren returns the number of children this element has. + // + // This method is an optimization: the number of children is easily + // calculated as the length of the value returned by the Children + // method (above); yet, some implementations will be able to + // implement NumChildren in O(1) while Children is usually more + // complex. + NumChildren() int +} |