Struct MapChanges

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pub struct MapChanges<K: Clone + Eq + Hash + Debug, C: ChangeReport> {
    pub added: HashSet<K>,
    pub removed: HashSet<K>,
    pub modified: HashMap<K, C>,
}

Expand description

Change report for HashMap<K, V> fields.

Tracks which keys were added, removed, or modified.

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§added: HashSet<K>

Keys that were added.

§removed: HashSet<K>

Keys that were removed.

§modified: HashMap<K, C>

Modified entries with their nested change reports.

Trait Implementations§

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impl<K: Clone + Eq + Hash + Debug + Default + ToString, C: ChangeReport> ChangeReport for MapChanges<K, C>

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fn any(&self) -> bool

Returns true if any field in this report (or nested reports) changed.

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fn paths(&self) -> Vec<Vec<Cow<'static, str>>>

Collects all changed field paths as strings. Read more

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fn leaf_paths(&self) -> Vec<Vec<Cow<'static, str>>>

Collects only the leaf (deepest) changed field paths. Read more

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fn none(&self) -> bool

Returns true if no fields changed.

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impl<K: Clone + Clone + Eq + Hash + Debug, C: Clone + ChangeReport> Clone for MapChanges<K, C>

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fn clone(&self) -> MapChanges<K, C>

Returns a duplicate 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<K: Debug + Clone + Eq + Hash + Debug, C: Debug + ChangeReport> Debug for MapChanges<K, C>

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

Formats the value using the given formatter. Read more

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impl<K: Default + Clone + Eq + Hash + Debug, C: Default + ChangeReport> Default for MapChanges<K, C>

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fn default() -> MapChanges<K, C>

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

Auto Trait Implementations§

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impl<K, C> Freeze for MapChanges<K, C>

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impl<K, C> RefUnwindSafe for MapChanges<K, C>
where K: RefUnwindSafe, C: RefUnwindSafe,

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impl<K, C> UnwindSafe for MapChanges<K, C>
where K: UnwindSafe, C: UnwindSafe,

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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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> IntoEither for T

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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

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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

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