fips140cache
packagestandard library
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Overview¶
Package fips140cache provides a weak map that associates the lifetime ofvalues with the lifetime of keys.
It can be used to associate a precomputed value (such as an internal/fips140PrivateKey value, which in FIPS 140-3 mode may have required an expensivepairwise consistency test) with a type that doesn't have private fields (suchas an ed25519.PrivateKey), or that can't be safely modified because it may beconcurrently copied (such as an ecdsa.PrivateKey).
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Types¶
typeCache¶
type Cache[K, Vany] struct {// contains filtered or unexported fields}
func (*Cache[K, V])Get¶
Get returns the result of new, for an associated key k.
If Get was called with k before and didn't return an error, Get may returnthe same value it returned from the previous call if check returns true onit. If check returns false, Get will call new again and return the result.
The cache is evicted some time after k becomes unreachable.
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