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MetaValue

Enum MetaValue 

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pub enum MetaValue {
    Bool(bool),
    Str(String),
    List(Vec<String>),
}
Expand description

块级元信息的值(与 Python Block.meta: Dict[str, Any] 的实际取值形态同形): 只允许布尔 / 字符串 / 字符串数组三种,序列化后分别是 true / "x" / ["a"]。

刻意不用 serde_json::Value:docparser-core 的运行时依赖只有 serde, 为了一个 meta 字段把 JSON 值模型拉进内核,会让「裸内核依赖预算」破功。

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Bool(bool)

truncated 一类开关

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Str(String)

region 一类单值标注

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List(Vec<String>)

merges 一类字符串列表(xlsx 合并区域 A1:B2)

Trait Implementations§

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impl Clone for MetaValue

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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 MetaValue

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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<'de> Deserialize<'de> for MetaValue

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl From<&str> for MetaValue

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fn from(v: &str) -> Self

Converts to this type from the input type.
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impl From<String> for MetaValue

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fn from(v: String) -> Self

Converts to this type from the input type.
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impl From<Vec<String>> for MetaValue

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fn from(v: Vec<String>) -> Self

Converts to this type from the input type.
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impl From<bool> for MetaValue

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fn from(v: bool) -> Self

Converts to this type from the input type.
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impl PartialEq for MetaValue

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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 Serialize for MetaValue

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for MetaValue

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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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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 = !

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.