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AttributeValue

Enum AttributeValue 

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pub enum AttributeValue {
    I8(Vec<i8>),
    I16(Vec<i16>),
    I32(Vec<i32>),
    I64(Vec<i64>),
    U8(Vec<u8>),
    U16(Vec<u16>),
    U32(Vec<u32>),
    U64(Vec<u64>),
    F32(Vec<f32>),
    F64(Vec<f64>),
    String(String),
    Raw(Vec<u8>),
}
Expand description

A decoded HDF5 attribute value.

Variants§

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I8(Vec<i8>)

Signed 8-bit integer (scalar or array).

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I16(Vec<i16>)

Signed 16-bit integer (scalar or array).

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I32(Vec<i32>)

Signed 32-bit integer (scalar or array).

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I64(Vec<i64>)

Signed 64-bit integer (scalar or array).

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U8(Vec<u8>)

Unsigned 8-bit integer (scalar or array).

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U16(Vec<u16>)

Unsigned 16-bit integer (scalar or array).

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U32(Vec<u32>)

Unsigned 32-bit integer (scalar or array).

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U64(Vec<u64>)

Unsigned 64-bit integer (scalar or array).

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F32(Vec<f32>)

32-bit float (scalar or array).

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F64(Vec<f64>)

64-bit float (scalar or array).

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String(String)

Fixed-length string.

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Raw(Vec<u8>)

Raw bytes (for types we don’t decode).

Implementations§

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impl AttributeValue

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pub fn is_scalar(&self) -> bool

Returns true if this is a scalar (single-element) value.

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pub fn as_i32(&self) -> Option<i32>

Try to get a scalar i32 value.

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pub fn as_i64(&self) -> Option<i64>

Try to get a scalar i64 value.

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pub fn as_f32(&self) -> Option<f32>

Try to get a scalar f32 value.

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pub fn as_f64(&self) -> Option<f64>

Try to get a scalar f64 value.

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

Try to get a string value.

Trait Implementations§

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impl Clone for AttributeValue

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fn clone(&self) -> AttributeValue

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 Debug for AttributeValue

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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 AttributeValue

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for AttributeValue

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> 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<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> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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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.
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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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fn with_current_subscriber(self) -> WithDispatch<Self>

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