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DynamicFieldValues

Struct DynamicFieldValues 

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

Values belong to the row. Only immutable definitions and selected-name geometry are shared.

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impl DynamicFieldValues

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pub fn from_values( definitions: Arc<DynamicFieldDefinitions>, values: HashMap<String, Value>, ) -> Result<Self, DynamicFieldError>

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pub fn from_batch( definitions: Arc<DynamicFieldDefinitions>, rows: impl IntoIterator<Item = HashMap<String, Value>>, ) -> Result<Vec<Self>, DynamicFieldError>

Build each actual selected-name set once, not one copied HashSet per row. Missing and loaded-NULL rows may have different shapes; never union their fields.

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pub fn definitions(&self) -> &Arc<DynamicFieldDefinitions> ⓘ

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pub fn selected_codes(&self) -> &Arc<HashSet<String>> ⓘ

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pub fn values(&self) -> &HashMap<String, Value>

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pub fn into_values(self) -> HashMap<String, Value>

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pub fn assign( &mut self, code: &str, value: Value, ) -> Result<(), DynamicFieldError>

Row-local update. Existing selected geometry retains its exact Arc reference.

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pub fn delete(&mut self, code: &str) -> Result<(), DynamicFieldError>

Explicit delete changes this view to NotLoaded; it is distinct from assigning NULL.

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pub fn field( &self, code: &str, ) -> Result<DynamicFieldValue<'_>, DynamicFieldError>

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impl Clone for DynamicFieldValues

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for DynamicFieldValues

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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 PartialEq for DynamicFieldValues

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for DynamicFieldValues

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, 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 = !

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

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.