Enum TransactionState 

pub enum TransactionState {
    Active,
    Committed,
    RolledBack,
}

事务状态

定义在 error 模块以避免 transaction ↔ error 循环依赖， transaction 模块通过 pub use 重导出本类型。

Variants

Active

Committed

RolledBack

Trait Implementations

impl Clone for TransactionState

fn clone(&self) -> TransactionState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for TransactionState

impl Debug for TransactionState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TransactionState

fn default() -> TransactionState

Returns the “default value” for a type.

impl Display for TransactionState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for TransactionState

impl PartialEq for TransactionState

fn eq(&self, other: &TransactionState) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for TransactionState