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48 lines
834 B
48 lines
834 B
package merkle
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import (
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"fmt"
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)
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type Value interface {
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Bytes() []byte
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}
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type Key interface {
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Equals(b Key) bool
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Less(b Key) bool
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Bytes() []byte
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}
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type Tree interface {
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Root() Node
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Size() int
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Has(key Key) bool
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Get(key Key) (value Value, err error)
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Hash() ([]byte, int)
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Put(key Key, value Value) (err error)
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Remove(key Key) (value Value, err error)
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}
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type Node interface {
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Key() Key
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Value() Value
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Left() Node
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Right() Node
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Size() int
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Has(key Key) bool
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Get(key Key) (value Value, err error)
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Hash() ([]byte, int)
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Put(key Key, value Value) (_ *IAVLNode, updated bool)
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Remove(key Key) (_ *IAVLNode, value Value, err error)
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}
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type NodeIterator func() (node Node)
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func NotFound(key Key) error {
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return fmt.Errorf("Key was not found.")
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}
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