Struct axstd::fs::Metadata

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pub struct Metadata(/* private fields */);
Available on crate feature fs only.
Expand description

Metadata information about a file.

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impl Metadata

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pub const fn file_type(&self) -> FileType

Returns the file type for this metadata.

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pub const fn is_dir(&self) -> bool

Returns true if this metadata is for a directory. The result is mutually exclusive to the result of Metadata::is_file.

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pub const fn is_file(&self) -> bool

Returns true if this metadata is for a regular file. The result is mutually exclusive to the result of Metadata::is_dir.

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pub const fn len(&self) -> u64

Returns the size of the file, in bytes, this metadata is for.

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pub const fn permissions(&self) -> Permissions

Returns the permissions of the file this metadata is for.

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pub const fn size(&self) -> u64

Returns the total size of this file in bytes.

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pub const fn blocks(&self) -> u64

Returns the number of blocks allocated to the file, in 512-byte units.

Trait Implementations§

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impl Debug for Metadata

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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> AsAny for T
where T: Any,

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fn as_any(&self) -> &(dyn Any + 'static)

把当前对象转化为 Any 类型，供后续 downcast 使用
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

供 downcast_mut 使用
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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, 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.