github.com/gotd/td/tg.SecurePasswordKdfAlgoPBKDF2HMACSHA512iter100000Array.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_secure_password_kdf_algo_slices_gen.go#L165: func (s SecurePasswordKdfAlgoPBKDF2HMACSHA512iter100000Array) Retain(keep func(x SecurePasswordKdfAlgoPBKDF2HMACSHA512iter100000) bool) SecurePasswordKdfAlgoPBKDF2HMACSHA512iter100000Array {