Enum lofty::ItemValue

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pub enum ItemValue {
    Text(String),
    Locator(String),
    Binary(Vec<u8>),
}
Expand description

Represents a tag item’s value

Variants§

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Text(String)

Any UTF-8 encoded text

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Locator(String)

Any UTF-8 encoded locator of external information

This is only gets special treatment in ID3v2 and APE tags, being written as a normal string in other tags

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Binary(Vec<u8>)

Binary information

Implementations§

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impl ItemValue

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

Returns the value if the variant is Text

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

Returns the value if the variant is Locator

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pub fn binary(&self) -> Option<&[u8]>

Returns the value if the variant is Binary

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pub fn into_string(self) -> Option<String>

Consumes the ItemValue, returning a String if the variant is Text or Locator

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pub fn into_binary(self) -> Option<Vec<u8>>

Consumes the ItemValue, returning a Vec<u8> if the variant is Binary

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pub fn is_empty(&self) -> bool

Check for emptiness

Trait Implementations§

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impl Clone for ItemValue

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fn clone(&self) -> ItemValue

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 Debug for ItemValue

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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 Hash for ItemValue

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for ItemValue

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<ItemValue> for FrameValue

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type Error = LoftyError

The type returned in the event of a conversion error.
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fn try_from(input: ItemValue) -> Result<FrameValue, Self::Error>

Performs the conversion.
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impl<'a> TryInto<FrameValue> for &'a ItemValue

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type Error = LoftyError

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<FrameValue, Self::Error>

Performs the conversion.
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impl Eq for ItemValue

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impl StructuralEq for ItemValue

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impl StructuralPartialEq for ItemValue

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> 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 = 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.