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+# hashstructure
+
+hashstructure is a Go library for creating a unique hash value
+for arbitrary values in Go.
+
+This can be used to key values in a hash (for use in a map, set, etc.)
+that are complex. The most common use case is comparing two values without
+sending data across the network, caching values locally (de-dup), and so on.
+
+## Features
+
+  * Hash any arbitrary Go value, including complex types.
+
+  * Tag a struct field to ignore it and not affect the hash value.
+
+  * Tag a slice type struct field to treat it as a set where ordering
+    doesn't affect the hash code but the field itself is still taken into
+    account to create the hash value.
+
+  * Optionally specify a custom hash function to optimize for speed, collision
+    avoidance for your data set, etc.
+
+## Installation
+
+Standard `go get`:
+
+```
+$ go get github.com/mitchellh/hashstructure
+```
+
+## Usage & Example
+
+For usage and examples see the [Godoc](http://godoc.org/github.com/mitchellh/hashstructure).
+
+A quick code example is shown below:
+
+
+        type ComplexStruct struct {
+                Name     string
+                Age      uint
+                Metadata map[string]interface{}
+        }
+
+        v := ComplexStruct{
+                Name: "mitchellh",
+                Age:  64,
+                Metadata: map[string]interface{}{
+                        "car":      true,
+                        "location": "California",
+                        "siblings": []string{"Bob", "John"},
+                },
+        }
+
+        hash, err := hashstructure.Hash(v, nil)
+        if err != nil {
+                panic(err)
+        }
+
+        fmt.Printf("%d", hash)
+        // Output:
+        // 2307517237273902113