From a20e46a80f0355a7d5dd64454c8954d69f6854e6 Mon Sep 17 00:00:00 2001
From: Andrew Dunham <andrew@du.nham.ca>
Date: Tue, 27 Feb 2024 23:03:49 -0500
Subject: [PATCH] util/cache: fix missing interface methods (#11275)

Updates #cleanup


Change-Id: Ib3a33a7609530ef8c9f3f58fc607a61e8655c4b5

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
---
 util/cache/none.go   | 7 ++++++-
 util/cache/single.go | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/util/cache/none.go b/util/cache/none.go
index e3e53e0b4..c4073e0d9 100644
--- a/util/cache/none.go
+++ b/util/cache/none.go
@@ -8,6 +8,8 @@ package cache
 // It is safe for concurrent use if the underlying FillFunc is.
 type None[K comparable, V any] struct{}
 
+var _ Cache[int, int] = None[int, int]{}
+
 // Get always calls the provided FillFunc and returns what it does.
 func (c None[K, V]) Get(_ K, f FillFunc[V]) (V, error) {
 	v, _, e := f()
@@ -15,4 +17,7 @@ func (c None[K, V]) Get(_ K, f FillFunc[V]) (V, error) {
 }
 
 // Forget implements Cache.
-func (c None[K, V]) Forget() {}
+func (None[K, V]) Forget(K) {}
+
+// Empty implements Cache.
+func (None[K, V]) Empty() {}
diff --git a/util/cache/single.go b/util/cache/single.go
index 5b378cc15..6b9ac2c11 100644
--- a/util/cache/single.go
+++ b/util/cache/single.go
@@ -25,6 +25,8 @@ type Single[K comparable, V any] struct {
 	ServeExpired bool
 }
 
+var _ Cache[int, int] = (*Single[int, int])(nil)
+
 // Get will return the cached value, if any, or fill the cache by calling f and
 // return the corresponding value. If f returns an error and c.ServeExpired is
 // true, then a previous expired value can be returned with no error.