pub enum FieldAttrId {
    Optional,
    Constructor,
    Decay,
}

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Optional

A field can, but does not have to be set.

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Constructor

A field must be set directly in the builder constructor.

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Decay

Decay the type once for the setter function.

Eg Option<T> can be set directly instead of having to wrap it in Some(_).

Note: The wording decay comes from C++ - maybe someone can point out a more Rusty term.

Trait Implementations§

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impl Debug for FieldAttrId

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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 Hash for FieldAttrId

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq<FieldAttrId> for FieldAttrId

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fn eq(&self, other: &FieldAttrId) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<Ident> for FieldAttrId

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(ident: Ident) -> Result<Self, Self::Error>

Performs the conversion.
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impl Eq for FieldAttrId

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impl StructuralEq for FieldAttrId

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impl StructuralPartialEq for FieldAttrId

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.