Struct SpecialEq

pub struct SpecialEq<T>(/* private fields */);

Wrapper type that has special equality properties depending on the inner type specialization

Implementations

impl<T> SpecialEq<T>

pub fn new(val: T) -> SpecialEq<T>

impl SpecialEq<Arc<dyn FunctionOutputField>>

pub fn same_type() -> SpecialEq<Arc<dyn FunctionOutputField>>

pub fn from_type(dt: DataType) -> SpecialEq<Arc<dyn FunctionOutputField>>

pub fn map_field<F>(f: F) -> SpecialEq<Arc<dyn FunctionOutputField>>

where F: 'static + Fn(&Field) -> Result<Field, PolarsError> + Send + Sync,

pub fn map_fields<F>(f: F) -> SpecialEq<Arc<dyn FunctionOutputField>>

where F: 'static + Fn(&[Field]) -> Result<Field, PolarsError> + Send + Sync,

pub fn map_dtype<F>(f: F) -> SpecialEq<Arc<dyn FunctionOutputField>>

where F: 'static + Fn(&DataType) -> Result<DataType, PolarsError> + Send + Sync,

pub fn float_type() -> SpecialEq<Arc<dyn FunctionOutputField>>

pub fn super_type() -> SpecialEq<Arc<dyn FunctionOutputField>>

pub fn map_dtypes<F>(f: F) -> SpecialEq<Arc<dyn FunctionOutputField>>

where F: 'static + Fn(&[&DataType]) -> Result<DataType, PolarsError> + Send + Sync,

Trait Implementations

impl<T> Clone for SpecialEq<T>

where T: Clone,

fn clone(&self) -> SpecialEq<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Debug for SpecialEq<T>

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

Formats the value using the given formatter.

impl Default for SpecialEq<Arc<dyn BinaryUdfOutputField>>

fn default() -> SpecialEq<Arc<dyn BinaryUdfOutputField>>

Returns the “default value” for a type.

impl Default for SpecialEq<Arc<dyn ColumnBinaryUdf>>

fn default() -> SpecialEq<Arc<dyn ColumnBinaryUdf>>

Returns the “default value” for a type.

impl Default for SpecialEq<Arc<dyn FunctionOutputField>>

fn default() -> SpecialEq<Arc<dyn FunctionOutputField>>

Returns the “default value” for a type.

impl<T> Deref for SpecialEq<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &<SpecialEq<T> as Deref>::Target

Dereferences the value.

impl<'a> Deserialize<'a> for SpecialEq<Arc<DslPlan>>

Available on crate feature serde only.

fn deserialize<D>( deserializer: D, ) -> Result<SpecialEq<Arc<DslPlan>>, <D as Deserializer<'a>>::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature serde only.

fn deserialize<D>( deserializer: D, ) -> Result<SpecialEq<Arc<dyn ColumnsUdf>>, <D as Deserializer<'a>>::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Arc<dyn FunctionOutputField>>

Available on crate feature serde only.

fn deserialize<D>( deserializer: D, ) -> Result<SpecialEq<Arc<dyn FunctionOutputField>>, <D as Deserializer<'a>>::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Arc<dyn RenameAliasFn>>

Available on crate feature serde only.

fn deserialize<D>( _deserializer: D, ) -> Result<SpecialEq<Arc<dyn RenameAliasFn>>, <D as Deserializer<'a>>::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl<'a> Deserialize<'a> for SpecialEq<Series>

Available on crate feature serde only.

fn deserialize<D>( deserializer: D, ) -> Result<SpecialEq<Series>, <D as Deserializer<'a>>::Error>

where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer.

impl From<ArrayFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: ArrayFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<BinaryFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: BinaryFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<BitwiseFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: BitwiseFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<BooleanFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: BooleanFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<BusinessFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: BusinessFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<CategoricalFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: CategoricalFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<FunctionExpr> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: FunctionExpr) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<ListFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: ListFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<RangeFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: RangeFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<StringFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: StringFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<StructFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: StructFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl From<TemporalFunction> for SpecialEq<Arc<dyn ColumnsUdf>>

fn from(func: TemporalFunction) -> SpecialEq<Arc<dyn ColumnsUdf>>

Converts to this type from the input type.

impl<T> PartialEq for SpecialEq<Arc<T>>

where T: ?Sized,

fn eq(&self, other: &SpecialEq<Arc<T>>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for SpecialEq<Series>

fn eq(&self, other: &SpecialEq<Series>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for SpecialEq<Arc<DslPlan>>

Available on crate feature serde only.

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Arc<dyn ColumnsUdf>>

Available on crate feature serde only.

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Arc<dyn FunctionOutputField>>

Available on crate feature serde only.

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Arc<dyn RenameAliasFn>>

Available on crate feature serde only.

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

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Serialize for SpecialEq<Series>

Available on crate feature serde only.

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

where S: Serializer,

Serialize this value into the given Serde serializer.