pub struct SchemaMapAccess<'a> { /* private fields */ }
Expand description

Access helper for a SchemaMap.

Implementations§

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impl<'a> SchemaMapAccess<'a>

pub fn into_schema_ref(self) -> SchemaRef<'a>

Convert back to a SchemaRefMut

Methods from Deref<Target = &'a SchemaMap>§

pub fn len(&self) -> usize

Get the number of entries in the map.

pub fn is_empty(&self) -> bool

Returns true if the map is empty.

pub fn key_schema(&self) -> &'static Schema

Get the schema for the map keys.

pub fn value_schema(&self) -> &'static Schema

Get the schema for the map values.

pub fn insert<K, V>(&mut self, key: K, value: V) -> Option<V>where K: HasSchema, V: HasSchema,

Insert an item into the map.

Panics

Panics if the key or value schemas do not match the map’s.

pub fn try_insert<K, V>( &mut self, key: K, value: V ) -> Result<Option<V>, SchemaMismatchError>where K: HasSchema, V: HasSchema,

Insert an item into the map.

Errors

Errors if the key or value schemas do not match the map’s.

pub fn insert_box( &mut self, key: SchemaBox, value: SchemaBox ) -> Option<SchemaBox>

Insert an untyped item into the map.

Panics

Panics if the key or value schemas do not match the map’s.

pub fn try_insert_box( &mut self, key: SchemaBox, value: SchemaBox ) -> Result<Option<SchemaBox>, SchemaMismatchError>

Insert an untyped item into the map.

Errors

Errors if the key or value schemas do not match the map’s.

pub unsafe fn insert_box_unchecked( &mut self, key: SchemaBox, value: SchemaBox ) -> Option<SchemaBox>

Safety

Key schema and value schema must match the map’s.

pub fn get<K, V>(&self, key: &K) -> Option<&V>where K: HasSchema, V: HasSchema,

Get a value out of the map for the given key.

Panics

Panics if the schemas of the key and value don’t match the schemas of the map.

pub fn try_get<K, V>(&self, key: &K) -> Result<Option<&V>, SchemaMismatchError>where K: HasSchema, V: HasSchema,

Get a value out of the map for the given key.

Errors

Errors if the schemas of the key and value don’t match the schemas of the map.

pub fn get_ref(&self, key: SchemaRef<'_>) -> Option<SchemaRef<'_>>

Get an untyped reference to an item in the map.

Panics

Panics if the schema of the key doesn’t match.

pub fn try_get_ref( &self, key: SchemaRef<'_> ) -> Result<Option<SchemaRef<'_>>, SchemaMismatchError>

Get an untyped reference to an item in the map.

Errors

Errors if the schema of the key doesn’t match.

pub unsafe fn get_ref_unchecked( &self, key: SchemaRef<'_> ) -> Option<SchemaRef<'_>>

Safety

The key’s schema must match this map’s key schema.

pub fn get_ref_mut(&mut self, key: SchemaRef<'_>) -> Option<SchemaRefMut<'_>>

Get an untyped reference to an item in the map.

Panics

Panics if the schema of the key doesn’t match.

pub fn try_get_ref_mut( &mut self, key: SchemaRef<'_> ) -> Result<Option<SchemaRefMut<'_>>, SchemaMismatchError>

Get an untyped reference to an item in the map.

Errors

Errors if the schema of the key doesn’t match.

pub unsafe fn get_ref_unchecked_mut( &mut self, key: SchemaRef<'_> ) -> Option<SchemaRefMut<'_>>

Safety

The key’s schema must match this map’s key schema.

pub fn get_mut<K, V>(&mut self, key: &K) -> Option<&mut V>where K: HasSchema, V: HasSchema,

Get a value out of the map for the given key.

Panics

Panics if the schemas of the key and value don’t match the schemas of the map.

pub fn try_get_mut<K, V>( &mut self, key: &K ) -> Result<Option<&mut V>, SchemaMismatchError>where K: HasSchema, V: HasSchema,

Get a value out of the map for the given key.

Errors

Errors if the schemas of the key and value don’t match the schemas of the map.

pub fn remove<K, V>(&mut self, key: &K) -> Option<V>where K: HasSchema, V: HasSchema,

Remove an item.

Panics

Panics if the schemas of the key and value don’t match the map.

pub fn try_remove<K, V>( &mut self, key: &K ) -> Result<Option<V>, SchemaMismatchError>where K: HasSchema, V: HasSchema,

Remove an item.

Errors

Errors if the schemas of the key and value don’t match the map.

pub fn remove_box(&mut self, key: SchemaRef<'_>) -> Option<SchemaBox>

Untypededly remove an item.

Panics

Panics if the key schema does not match the map’s.

pub fn try_remove_box( &mut self, key: SchemaRef<'_> ) -> Result<Option<SchemaBox>, SchemaMismatchError>

Untypededly remove an item.

Errors

Errors if the key schema does not match the map’s.

pub unsafe fn remove_unchecked( &mut self, key: SchemaRef<'_> ) -> Option<SchemaBox>

Safety

The key schema must match the map’s.

pub fn iter( &self ) -> Map<Iter<'_, SchemaBox, SchemaBox>, for<'a> fn(_: (&'a SchemaBox, &'a SchemaBox)) -> (SchemaRef<'a>, SchemaRef<'a>)>

Iterate over entries in the map.

pub fn iter_mut( &mut self ) -> Map<IterMut<'_, SchemaBox, SchemaBox>, for<'a> fn(_: (&'a SchemaBox, &'a mut SchemaBox)) -> (SchemaRef<'a>, SchemaRefMut<'a>)>

Iterate over entries in the map.

pub fn keys( &self ) -> Map<Keys<'_, SchemaBox, SchemaBox>, for<'a> fn(_: &'a SchemaBox) -> SchemaRef<'a>>

Iterate over keys in the map.

pub fn values( &self ) -> Map<Values<'_, SchemaBox, SchemaBox>, for<'a> fn(_: &'a SchemaBox) -> SchemaRef<'a>>

Iterate over values in the map.

pub fn values_mut( &mut self ) -> Map<ValuesMut<'_, SchemaBox, SchemaBox>, for<'a> fn(_: &'a mut SchemaBox) -> SchemaRefMut<'a>>

Iterate over values in the map.

Trait Implementations§

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impl<'a> Clone for SchemaMapAccess<'a>

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fn clone(&self) -> SchemaMapAccess<'a>

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<'a> Deref for SchemaMapAccess<'a>

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type Target = &'a SchemaMap

The resulting type after dereferencing.
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fn deref(&self) -> &<SchemaMapAccess<'a> as Deref>::Target

Dereferences the value.
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impl<'a> DerefMut for SchemaMapAccess<'a>

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fn deref_mut(&mut self) -> &mut <SchemaMapAccess<'a> as Deref>::Target

Mutably dereferences the value.
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impl<'a> Copy for SchemaMapAccess<'a>

Auto Trait Implementations§

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impl<'a> !RefUnwindSafe for SchemaMapAccess<'a>

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impl<'a> !Send for SchemaMapAccess<'a>

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impl<'a> !Sync for SchemaMapAccess<'a>

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impl<'a> Unpin for SchemaMapAccess<'a>

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impl<'a> !UnwindSafe for SchemaMapAccess<'a>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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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 Twhere 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> 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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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere 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> RawClone for Twhere T: Clone,

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unsafe fn raw_clone(src: *const c_void, dst: *mut c_void)

Write the default value of the type to the pointer. Read more
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fn raw_clone_cb( ) -> Unsafe<&'static (dyn Fn(*const c_void, *mut c_void) + Send + Sync)>

Get a callback suitable for [SchemaData].
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impl<T> RawDrop for T

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unsafe fn raw_drop(ptr: *mut c_void)

Write the default value of the type to the pointer. Read more
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fn raw_drop_cb() -> Unsafe<&'static (dyn Fn(*mut c_void) + Send + Sync)>

Get a callback suitable for [SchemaData].
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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 Twhere 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 Twhere 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.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more