Struct InitTree

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pub struct InitTree { /* private fields */ }
Expand description

A tree of types to initialize.

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impl InitTree

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pub fn new() -> Self

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pub fn enable_caching(&mut self, enabled: bool)

InitTree supports the use of a cache between initializations. It’s common for the initialization sequence to be identical between runs. If you find that the process of discovering dependencies is slowing down your initialization you can cache the results of this discovery to make future initializations faster.

One might for example serialize the cache to a file after initialization and load it from that file when initializing in the future.

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pub fn load_cache(&mut self, cache: Cache) -> Option<Cache>

Loads a new cache in, returning the old one, if any. This will automatically enable caching.

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pub fn add<T: 'static + Init>(&mut self)

Request that this tree initialize the provided type T

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pub fn init(self) -> InitializedTree

Initializes the tree, returning a fully initialized tree, and if caching is enabled, a cache from this initialization.

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impl Clone for InitTree

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fn clone(&self) -> InitTree

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for InitTree

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fn default() -> InitTree

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Init for T
where T: 'static + Default,

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fn init(_: &mut HashMap<TypeId, RefCell<Box<dyn Any>>>) -> Option<T>

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fn self_def() -> TypeInitDef

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fn deps_list() -> &'static [TypeInitDef]

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fn deep_deps_list(_t: &mut Vec<TypeInitDef>, _call_depth: u32)

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.