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use crate::methods::txn_log_get_mutable::TxnLogGetMutable; use crate::records::txn_log::TxnLog; impl TxnLog { pub fn txn_log_is<T, TID>(&self, ty: TID) -> bool where T: TxnLogGetMutable<TID>, { !self.txn_log_get::<T, TID>(ty).is_null() } }