Hi,
I'm trying to convert this code to use generics:
type Cache interface {
GetIfPresent(interface{}) (interface{}, bool)
}
type LoadingCache interface {
Cache
Get(interface{}) (interface{}, error)
}
However, I couldn't find any way to include Cache[K, V] in LoadingCache[K,
V]. (No similar use cases in the proposal? I must miss something here). The
workaround is copying all methods over, like:
type Cache[K comparable, V any] interface {
GetIfPresent(K) (V, bool)
}
type LoadingCache[K comparable, V any] interface {
GetIfPresent(K) (V, bool) // FIXME: Embedding the Cache interface
Get(K) (V, error)
}
// See: https://go2goplay.golang.org/p/T7h15CdUEa3
// WIP: https://github.com/goburrow/cache/tree/go2
Is it possible to have something like "interface LoadingCache<K,V> extends
Cache<K,V>" as in Java?
Regards,
Viet
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