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This package allows caching arbitrary key/value pairs in-memory, along with an interface implemented by the cache types. Extracted from #7493 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ic8ca820927c456721cf324a0c8f3882a57752cc9
19 lines
491 B
Go
19 lines
491 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package cache
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// None provides no caching and always calls the provided FillFunc.
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//
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// It is safe for concurrent use if the underlying FillFunc is.
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type None[K comparable, V any] struct{}
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// Get always calls the provided FillFunc and returns what it does.
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func (c None[K, V]) Get(_ K, f FillFunc[V]) (V, error) {
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v, _, e := f()
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return v, e
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}
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// Forget implements Cache.
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func (c None[K, V]) Forget() {}
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