Struct MigrationContext

Source
pub struct MigrationContext<'a> {
    pub id: &'a StoreId,
    pub state: &'a StoreState,
    pub current: &'a Version,
    pub previous: Option<&'a Version>,
    pub next: Option<&'a Version>,
}
Available on crate feature unstable-migration only.
Expand description

Context for a migration step.

Fields§

§id: &'a StoreId§state: &'a StoreState§current: &'a Version§previous: Option<&'a Version>§next: Option<&'a Version>

Trait Implementations§

Source§

impl<'a> Debug for MigrationContext<'a>

Source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<'a> Freeze for MigrationContext<'a>

§

impl<'a> RefUnwindSafe for MigrationContext<'a>

§

impl<'a> Send for MigrationContext<'a>

§

impl<'a> Sync for MigrationContext<'a>

§

impl<'a> Unpin for MigrationContext<'a>

§

impl<'a> UnwindSafe for MigrationContext<'a>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
Source§

impl<T> ErasedDestructor for T
where T: 'static,