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Hasher

pagesift_ocr::models

Struct Hasher 

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pub struct Hasher<'a> { /* private fields */ }
Expand description

边下载边校验一个文件（模型文件上百 MB，不整个放进内存）。

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impl<'a> Hasher<'a>

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pub fn new(file: &'a File) -> Self

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pub fn update(&mut self, bytes: &[u8])

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pub fn finish(self) -> Result<(), String>

大小和 SHA-256 都对才算过；返回问题描述。

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impl<'a> Forget for Hasher<'a>

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impl<'a> Freeze for Hasher<'a>

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impl<'a> Move for Hasher<'a>

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impl<'a> RefUnwindSafe for Hasher<'a>

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impl<'a> Send for Hasher<'a>

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impl<'a> Sync for Hasher<'a>

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impl<'a> Unpin for Hasher<'a>

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impl<'a> UnsafeUnpin for Hasher<'a>

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impl<'a> UnwindSafe for Hasher<'a>

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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> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<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.