feat: Support uint Keys (#463)

**Description**

This adds support for the `uint` primitive as a cache key.

Author: jcalabro

CHANGELOG.md

@@ -11,6 +11,7 @@ adhere to [Semantic Versioning](http://semver.org/spec/v2.0.0.html) starting v1.
 
 - Remove dependency: github.com/pkg/errors (#443)
 - Add public Cache.RemainingCost() method
+- Add support for uint keys
 
 **Fixed**
 

z/z.go

@@ -13,7 +13,7 @@ import (
 )
 
 type Key interface {
-	uint64 | string | []byte | byte | int | int32 | uint32 | int64
+	uint64 | string | []byte | byte | int | uint | int32 | uint32 | int64
 }
 
 // TODO: Figure out a way to re-use memhash for the second uint64 hash,
@@ -34,6 +34,8 @@ func KeyToHash[K Key](key K) (uint64, uint64) {
 		return MemHash(k), xxhash.Sum64(k)
 	case byte:
 		return uint64(k), 0
+	case uint:
+		return uint64(k), 0
 	case int:
 		return uint64(k), 0
 	case int32:

z/z_test.go

@@ -24,6 +24,9 @@ func TestKeyToHash(t *testing.T) {
 	key, conflict = KeyToHash(uint64(1))
 	verifyHashProduct(t, 1, 0, key, conflict)
 
+	key, conflict = KeyToHash(uint(1))
+	verifyHashProduct(t, 1, 0, key, conflict)
+
 	key, conflict = KeyToHash(1)
 	verifyHashProduct(t, 1, 0, key, conflict)