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Arity

mz_expr_derive_impl::sqlfunc

Enum Arity 

Source 
enum Arity {
    Nullary,
    Unary {
        arena: bool,
    },
    Binary {
        arena: bool,
    },
    Variadic {
        arena: bool,
        has_self: bool,
    },
}
Expand description

Arity classification for a function annotated with #[sqlfunc].

Variants§

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Nullary

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Unary

Fields

§arena: bool
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Binary

Fields

§arena: bool
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Variadic

Fields

§arena: bool
§has_self: bool

Auto Trait Implementations§

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impl Freeze for Arity

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impl RefUnwindSafe for Arity

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impl Send for Arity

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impl Sync for Arity

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impl Unpin for Arity

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impl UnwindSafe for Arity

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.