StructEncoder

结构体 StructEncoder 

源代码
struct StructEncoder<'a> {
    encoders: Vec<FieldEncoder<'a>>,
}

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§encoders: Vec<FieldEncoder<'a>>

实现§

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impl<'a> StructEncoder<'a>

源代码

fn try_new( array: &'a StructArray, field_bindings: &[FieldBinding], ) -> Result<Self, ArrowError>

源代码

fn encode<W: Write + ?Sized>( &mut self, out: &mut W, idx: usize, ) -> Result<(), ArrowError>

自动 Trait 实现§

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impl<'a> Freeze for StructEncoder<'a>

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impl<'a> !RefUnwindSafe for StructEncoder<'a>

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impl<'a> Send for StructEncoder<'a>

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impl<'a> Sync for StructEncoder<'a>

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impl<'a> Unpin for StructEncoder<'a>

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impl<'a> !UnwindSafe for StructEncoder<'a>

通用实现§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

获取 selfTypeId阅读更多
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

从拥有的值进行不可变借用。 阅读更多
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

从拥有的值进行可变借用。 阅读更多
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impl<T> From<T> for T

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fn from(t: T) -> T

返回未更改的参数。

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

调用 U::from(self)

也就是说,此转换是 From<T> for U 的实现选择执行的任何操作。

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impl<T> Same for T

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type Output = T

应该总是 Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

转换错误时返回的类型。
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

执行转换。
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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

转换错误时返回的类型。
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

执行转换。
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V