Struct Value

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pub struct Value<'bp> { /* private fields */ }
Expand description

This is the final value for a node attribute / value. This should be evaluated fully for the ValueKind

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impl<'bp> Value<'bp>

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pub fn new( expr: ValueExpr<'bp>, sub: Subscriber, attribute_storage: &AttributeStorage<'bp>, ) -> Self

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pub fn truthiness(&self) -> bool

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pub fn reload(&mut self, attribute_storage: &AttributeStorage<'bp>)

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pub fn try_as<T>(&self) -> Option<T>
where T: for<'a> TryFrom<&'a ValueKind<'a>>,

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pub fn strings<F>(&self, f: F)
where F: FnMut(&str) -> bool,

Methods from Deref<Target = ValueKind<'a>>§

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pub fn to_int(&self) -> Option<i64>

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pub fn as_int(&self) -> Option<i64>

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pub fn as_float(&self) -> Option<f64>

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pub fn as_bool(&self) -> Option<bool>

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pub fn as_char(&self) -> Option<char>

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pub fn as_hex(&self) -> Option<Hex>

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pub fn as_color(&self) -> Option<Color>

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pub fn as_str(&self) -> Option<&str>

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pub fn strings<F>(&self, f: F)
where F: FnMut(&str) -> bool,

Trait Implementations§

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impl<'bp> Debug for Value<'bp>

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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<'a> Deref for Value<'a>

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type Target = ValueKind<'a>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

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

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl Drop for Value<'_>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl<'bp> Freeze for Value<'bp>

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impl<'bp> RefUnwindSafe for Value<'bp>

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impl<'bp> Send for Value<'bp>

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impl<'bp> Sync for Value<'bp>

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impl<'bp> Unpin for Value<'bp>

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impl<'bp> UnwindSafe for Value<'bp>

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> 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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.