Enum UpgradeMode 

#[repr(i32)]
pub enum UpgradeMode {
    UpgradeOldVersions = 0,
    PreserveOriginal = 1,
}

Version handling mode

Variants

UpgradeOldVersions = 0

Automatically upgrade older versions to latest format

PreserveOriginal = 1

Keep original version and structure as-is

Trait Implementations

impl Clone for UpgradeMode

fn clone(&self) -> UpgradeMode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for UpgradeMode

impl Debug for UpgradeMode

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

Formats the value using the given formatter.

impl Eq for UpgradeMode

impl Hash for UpgradeMode

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for UpgradeMode

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for UpgradeMode

impl TryFrom<i32> for UpgradeMode

type Error = Error

The type returned in the event of a conversion error.

fn try_from(v: i32) -> Result<Self, Error>

Performs the conversion.