Struct ClosureAccessor

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pub struct ClosureAccessor {
    pub field_name: String,
    pub reader: Box<dyn Fn(Value) -> Value + Sync + Send>,
}

Expand description

闭包风格 Accessor

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§field_name: String

字段名

§reader: Box<dyn Fn(Value) -> Value + Sync + Send>

读取转换闭包

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impl ClosureAccessor

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pub fn new( field: impl Into<String>, reader: impl Fn(Value) -> Value + Send + Sync + 'static, ) -> ClosureAccessor

创建闭包 Accessor

Trait Implementations§

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impl Accessor for ClosureAccessor

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fn field(&self) -> &str

字段名

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fn read(&self, value: Value) -> Value

读取转换：将存储值转换为展示值

Auto Trait Implementations§

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impl UnsafeUnpin for ClosureAccessor

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> 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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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