history

package
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 Go to latest Published: Aug 28, 2015 License: BSD-3-Clause Imports: 1 Imported by: 0

Documentation

Overview

Package history implements a circular buffer with adjacent-item deduplication.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Deduplicable 

type Deduplicable interface {
	// IsDuplicate returns true if other is considered to be a
	// duplicate of the calling instance.
	IsDuplicate(interface{}) bool
}

Deduplicable is an interface that records should implement if the history should perform their deduplication. An example would be deduplicating records whose only difference is their timestamp.

type History 

type History struct {
	// contains filtered or unexported fields
}

History is a data structure that allows you to keep some number of records.

func New 

func New(length int) *History

Return a history with the specified maximum length.

func (*History) Add 

func (history *History) Add(record interface{})

Add a new record in a threadsafe manner. If record implements Deduplicable, and IsDuplicate returns true when called on the last previously added record, it will not be added.

func (*History) Records 

func (history *History) Records() []interface{}

Return the kept records in reverse chronological order in a threadsafe manner.

Source Files

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