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38 lines
1 KiB
Markdown
38 lines
1 KiB
Markdown
go-radix [](https://travis-ci.org/armon/go-radix)
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=========
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Provides the `radix` package that implements a [radix tree](http://en.wikipedia.org/wiki/Radix_tree).
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The package only provides a single `Tree` implementation, optimized for sparse nodes.
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As a radix tree, it provides the following:
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* O(k) operations. In many cases, this can be faster than a hash table since
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the hash function is an O(k) operation, and hash tables have very poor cache locality.
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* Minimum / Maximum value lookups
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* Ordered iteration
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For an immutable variant, see [go-immutable-radix](https://github.com/hashicorp/go-immutable-radix).
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Documentation
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=============
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The full documentation is available on [Godoc](http://godoc.org/github.com/armon/go-radix).
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Example
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=======
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Below is a simple example of usage
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```go
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// Create a tree
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r := radix.New()
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r.Insert("foo", 1)
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r.Insert("bar", 2)
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r.Insert("foobar", 2)
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// Find the longest prefix match
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m, _, _ := r.LongestPrefix("foozip")
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if m != "foo" {
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panic("should be foo")
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}
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```
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