Enum EnumFunctionOperation

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pub enum EnumFunctionOperation {
Show 15 variants    First,
    Last,
    Range,
    BoundedRange,
    Compare,
    Equal,
    NotEqual,
    Less,
    Greater,
    LessEqual,
    GreaterEqual,
    Smaller,
    Larger,
    Hash,
    ExtendedHash,
}

Expand description

Operation selected for one call of an anyenum support function. The bound call carries the concrete enum type, because enum_first, enum_last and enum_range read only their argument’s type.

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ExtendedHash

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impl EnumFunctionOperation

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pub fn from_call(name: &str, argument_count: usize) -> Option<Self>

Resolve a local pg_catalog routine name and argument count to its operation.

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pub fn is_routine_name(name: &str) -> bool

Whether any overload of this routine name is an enum support function.

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pub const fn label(self) -> &'static str

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pub const fn is_strict(self) -> bool

enum_first, enum_last and both enum_range forms accept NULL arguments; every other support function is strict.

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pub const fn enum_argument_count(self) -> usize

The zero-based argument positions declared anyenum; hashenumextended takes a trailing int8 seed.

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impl Clone for EnumFunctionOperation

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Copy for EnumFunctionOperation

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impl Debug for EnumFunctionOperation

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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<'de> Deserialize<'de> for EnumFunctionOperation

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Eq for EnumFunctionOperation

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impl PartialEq for EnumFunctionOperation

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

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more

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impl Serialize for EnumFunctionOperation

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl StructuralPartialEq for EnumFunctionOperation

Auto Trait Implementations§

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impl Freeze for EnumFunctionOperation

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impl RefUnwindSafe for EnumFunctionOperation

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impl Send for EnumFunctionOperation

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impl Sync for EnumFunctionOperation

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impl Unpin for EnumFunctionOperation

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impl UnsafeUnpin for EnumFunctionOperation

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impl UnwindSafe for EnumFunctionOperation

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> ErasedDestructor for T
where T: 'static,

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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 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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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.

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fn try_from(value: U) -> Result<T, !>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum EnumFunctionOperation Copy item path

Variants§

First

Last

Range

BoundedRange

Compare

Equal

NotEqual

Less

Greater

LessEqual

GreaterEqual

Smaller

Larger

Hash

ExtendedHash

Implementations§

impl EnumFunctionOperation

pub fn from_call(name: &str, argument_count: usize) -> Option<Self>

pub fn is_routine_name(name: &str) -> bool

pub const fn label(self) -> &'static str

pub const fn is_strict(self) -> bool

pub const fn enum_argument_count(self) -> usize

Trait Implementations§

impl Clone for EnumFunctionOperation

fn clone(&self) -> Self

fn clone_from(&mut self, source: &Self)

impl Copy for EnumFunctionOperation

impl Debug for EnumFunctionOperation

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<'de> Deserialize<'de> for EnumFunctionOperation

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

impl Eq for EnumFunctionOperation

impl PartialEq for EnumFunctionOperation

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

fn ne(&self, other: &Rhs) -> bool

impl Serialize for EnumFunctionOperation

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>where __S: Serializer,

impl StructuralPartialEq for EnumFunctionOperation

Auto Trait Implementations§

impl Freeze for EnumFunctionOperation

impl RefUnwindSafe for EnumFunctionOperation

impl Send for EnumFunctionOperation

impl Sync for EnumFunctionOperation

impl Unpin for EnumFunctionOperation

impl UnsafeUnpin for EnumFunctionOperation

impl UnwindSafe for EnumFunctionOperation

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,

impl<T> ErasedDestructor for Twhere T: 'static,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoEither for T

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

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

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = !

fn try_from(value: U) -> Result<T, !>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Enum EnumFunctionOperation

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T> CloneToUninit for T
where T: Clone,

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

impl<T> ErasedDestructor for T
where T: 'static,

impl<T, U> Into<U> for T
where U: From<T>,

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

impl<T> ToOwned for T
where T: Clone,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,