serde_derive::internals::attr

Struct Attr

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pub(crate) struct Attr<'c, T> {
    cx: &'c Ctxt,
    name: Symbol,
    tokens: TokenStream,
    value: Option<T>,
}

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§cx: &'c Ctxt§name: Symbol§tokens: TokenStream§value: Option<T>

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impl<'c, T> Attr<'c, T>

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fn none(cx: &'c Ctxt, name: Symbol) -> Self

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fn set<A: ToTokens>(&mut self, obj: A, value: T)

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fn set_opt<A: ToTokens>(&mut self, obj: A, value: Option<T>)

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fn set_if_none(&mut self, value: T)

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pub(crate) fn get(self) -> Option<T>

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fn get_with_tokens(self) -> Option<(TokenStream, T)>

Auto Trait Implementations§

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impl<'c, T> Freeze for Attr<'c, T>
where T: Freeze,

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impl<'c, T> !RefUnwindSafe for Attr<'c, T>

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impl<'c, T> !Send for Attr<'c, T>

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impl<'c, T> !Sync for Attr<'c, T>

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impl<'c, T> Unpin for Attr<'c, T>
where T: Unpin,

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impl<'c, T> !UnwindSafe for Attr<'c, T>

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, 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.