Struct mem_query::record::OpaqueRecord

#[repr(transparent)]
pub struct OpaqueRecord<R>(_);

Implementations

impl<R> OpaqueRecord<R>

pub fn new(r: R) -> Self

Trait Implementations

impl<R: Clone> Clone for OpaqueRecord<R>

fn clone(&self) -> OpaqueRecord<R>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<R: Default> Default for OpaqueRecord<R>

fn default() -> OpaqueRecord<R>

Returns the “default value” for a type.

impl<'a, R> ExternalRecord<'a> for OpaqueRecord<R> where
    R: ExternalRecord<'a>, 

fn ext_col_ref<C: Col>(&self) -> &'a C where
    Self::Cols: HasCol<C>, 

fn ext_col_opt<C: Col>(&self) -> Option<&'a C>

fn erase_type(self) -> ErasedExtRecord<'a, Self::Cols>

impl<R: Hash> Hash for OpaqueRecord<R>

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl<R: Ord> Ord for OpaqueRecord<R>

fn cmp(&self, other: &OpaqueRecord<R>) -> Ordering

This method returns an Ordering between self and other.

#[must_use]

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl<R: PartialEq> PartialEq<OpaqueRecord<R>> for OpaqueRecord<R>

fn eq(&self, other: &OpaqueRecord<R>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &OpaqueRecord<R>) -> bool

This method tests for !=.

impl<R: PartialOrd> PartialOrd<OpaqueRecord<R>> for OpaqueRecord<R>

fn partial_cmp(&self, other: &OpaqueRecord<R>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]

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

This method tests less than (for self and other) and is used by the < operator.

#[must_use]

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]

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

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<R: Record> Record for OpaqueRecord<R>

type Cols = R::Cols

fn into_cols(self) -> Self::Cols

fn clone_cols(&self) -> Self::Cols

fn col_ref<C: Col>(&self) -> &C where
    Self::Cols: HasCol<C>, 

fn col_opt<C: Col>(&self) -> Option<&C>

fn project<NewCols: Header>(self) -> Projection<Self, NewCols> where
    NewCols: ProjectFrom<Self::Cols>, 

fn project_into<R: FromRecord<Self::Cols>>(self) -> R

fn rename_col<A: Col, B: Col<Inner = A>>(self) -> Rename<Self, A, B> where
    Rename<Self, A, B>: Record, 

impl<R: Copy> Copy for OpaqueRecord<R>

impl<R: Eq> Eq for OpaqueRecord<R>

impl<R> StructuralEq for OpaqueRecord<R>

impl<R> StructuralPartialEq for OpaqueRecord<R>