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ContentMetadata

Struct ContentMetadata 

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pub struct ContentMetadata {
    pub name: String,
    pub mime_type: Option<String>,
    pub len: Option<u64>,
    pub modified_millis: Option<u64>,
    pub identifier: String,
}
Expand description

Everything a provider can state about a piece of content without reading it.

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§name: String

Display name, usually the last path or URI component.

§mime_type: Option<String>

MIME type when the provider reports one.

§len: Option<u64>

Byte length when the provider reports one.

§modified_millis: Option<u64>

Last-modified time in milliseconds since the Unix epoch, when known.

§identifier: String

Provider-scoped identifier: a path, a content:// URI, a blob name. Not guaranteed to be openable outside its provider.

Implementations§

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impl ContentMetadata

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pub fn named(name: impl Into<String>) -> Self

Metadata carrying only a display name.

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pub fn with_mime_type(self, mime_type: impl Into<String>) -> Self

Sets the MIME type.

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pub fn with_len(self, len: u64) -> Self

Sets the byte length.

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pub fn with_modified_millis(self, modified_millis: u64) -> Self

Sets the last-modified time in milliseconds since the Unix epoch.

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pub fn with_identifier(self, identifier: impl Into<String>) -> Self

Sets the provider-scoped identifier.

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pub fn extension(&self) -> Option<String>

The lowercase extension of name, without the dot.

Trait Implementations§

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impl Clone for ContentMetadata

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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 ContentMetadata

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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 Default for ContentMetadata

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Eq for ContentMetadata

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impl PartialEq for ContentMetadata

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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 ContentMetadata

Auto Trait 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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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
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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + 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: Sized + 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> Same for T

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type Output = T

Should always be Self
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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
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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.
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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