Struct Optionals4 

pub struct Optionals4<A, B, C, D>(pub Option<A>, pub Option<B>, pub Option<C>, pub Option<D>);

Tuple Fields

0: Option<A>

1: Option<B>

2: Option<C>

3: Option<D>

Trait Implementations

impl<A: Clone, B: Clone, C: Clone, D: Clone> Clone for Optionals4<A, B, C, D>

fn clone(&self) -> Optionals4<A, B, C, D>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<A: Debug, B: Debug, C: Debug, D: Debug> Debug for Optionals4<A, B, C, D>

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

Formats the value using the given formatter.

impl<A, B, C, D> From<(Option<A>, Option<B>, Option<C>, Option<D>)> for Optionals4<A, B, C, D>

fn from(value: (Option<A>, Option<B>, Option<C>, Option<D>)) -> Self

Converts to this type from the input type.

impl<A, B, C, D> From<Optionals4<A, B, C, D>> for (Option<A>, Option<B>, Option<C>, Option<D>)

fn from(value: Optionals4<A, B, C, D>) -> Self

Converts to this type from the input type.

impl<A: Hash, B: Hash, C: Hash, D: Hash> Hash for Optionals4<A, B, C, D>

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, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<A: Ord, B: Ord, C: Ord, D: Ord> Ord for Optionals4<A, B, C, D>

fn cmp(&self, other: &Optionals4<A, B, C, D>) -> Ordering

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl<'a, A, B, C, D> Parse<'a> for Optionals4<A, B, C, D>

where A: Parse<'a> + Peek<'a>, B: Parse<'a> + Peek<'a>, C: Parse<'a> + Peek<'a>, D: Parse<'a> + Peek<'a>,

fn parse<I>(p: &mut Parser<'a, I>) -> ParserResult<Self>

where I: Iterator<Item = Cursor> + Clone,

fn try_parse<I>(p: &mut Parser<'a, I>) -> Result<Self>

where I: Iterator<Item = Cursor> + Clone,

impl<A: PartialEq, B: PartialEq, C: PartialEq, D: PartialEq> PartialEq for Optionals4<A, B, C, D>

fn eq(&self, other: &Optionals4<A, B, C, D>) -> 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<A: PartialOrd, B: PartialOrd, C: PartialOrd, D: PartialOrd> PartialOrd for Optionals4<A, B, C, D>

fn partial_cmp(&self, other: &Optionals4<A, B, C, D>) -> Option<Ordering>

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl<'a, A, B, C, D> ToCursors for Optionals4<A, B, C, D>

where A: ToCursors, B: ToCursors, C: ToCursors, D: ToCursors,

fn to_cursors(&self, s: &mut impl CursorSink)

impl<A, B, C, D> ToSpan for Optionals4<A, B, C, D>

where A: ToSpan, B: ToSpan, C: ToSpan, D: ToSpan,

fn to_span(&self) -> Span

impl<A: Eq, B: Eq, C: Eq, D: Eq> Eq for Optionals4<A, B, C, D>

impl<A, B, C, D> StructuralPartialEq for Optionals4<A, B, C, D>