Struct edgedb_protocol::value_opt::ValueOpt

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pub struct ValueOpt(/* private fields */);
Expand description

An optional Value that can be constructed from impl Into<Value>, Option<impl Into<Value>>, Vec<impl Into<Value>> or Option<Vec<impl Into<Value>>>. Used by [eargs!] macro.

Trait Implementations§

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impl<V: Into<Value>> From<Option<V>> for ValueOpt
where Value: From<V>,

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fn from(value: Option<V>) -> Self

Converts to this type from the input type.
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impl<V: Into<Value>> From<Option<Vec<V>>> for ValueOpt
where Value: From<V>,

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fn from(value: Option<Vec<V>>) -> Self

Converts to this type from the input type.
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impl<V: Into<Value>> From<V> for ValueOpt

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fn from(value: V) -> Self

Converts to this type from the input type.
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impl From<ValueOpt> for Option<Value>

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fn from(value: ValueOpt) -> Self

Converts to this type from the input type.
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impl<V: Into<Value>> From<Vec<V>> for ValueOpt
where Value: From<V>,

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fn from(value: Vec<V>) -> Self

Converts to this type from the input type.

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> 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.