github.com/gotd/td/tg.SecurePasswordKdfAlgoSHA512Array.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_secure_password_kdf_algo_slices_gen.go#L247: func (s SecurePasswordKdfAlgoSHA512Array) Retain(keep func(x SecurePasswordKdfAlgoSHA512) bool) SecurePasswordKdfAlgoSHA512Array {