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