Struct MayBeNull

pub struct MayBeNull<T> {
    pub type_: T,
    pub q_mark: Option<QMark>,
}

Parses a nullable type. Ex: object | object??

?? means an actual ? not an optional requirement

Fields

type_: T

q_mark: Option<QMark>

Trait Implementations

impl<T: Clone> Clone for MayBeNull<T>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for MayBeNull<T>

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

Formats the value using the given formatter.

impl<'a> From<MayBeNull<ArrayBuffer>> for NonAnyType<'a>

fn from(x: MayBeNull<ArrayBuffer>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<ArrayBufferView>> for NonAnyType<'a>

fn from(x: MayBeNull<ArrayBufferView>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Boolean>> for ConstType<'a>

fn from(x: MayBeNull<Boolean>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Boolean>> for NonAnyType<'a>

fn from(x: MayBeNull<Boolean>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<BufferSource>> for NonAnyType<'a>

fn from(x: MayBeNull<BufferSource>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Byte>> for ConstType<'a>

fn from(x: MayBeNull<Byte>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Byte>> for NonAnyType<'a>

fn from(x: MayBeNull<Byte>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<ByteString>> for NonAnyType<'a>

fn from(x: MayBeNull<ByteString>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<DOMString>> for NonAnyType<'a>

fn from(x: MayBeNull<DOMString>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<DataView>> for NonAnyType<'a>

fn from(x: MayBeNull<DataView>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Error>> for NonAnyType<'a>

fn from(x: MayBeNull<Error>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Float32Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Float32Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Float64Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Float64Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<FloatingPointType>> for ConstType<'a>

fn from(x: MayBeNull<FloatingPointType>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<FloatingPointType>> for NonAnyType<'a>

fn from(x: MayBeNull<FloatingPointType>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<FrozenArrayType<'a>>> for NonAnyType<'a>

fn from(x: MayBeNull<FrozenArrayType<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Identifier<'a>>> for ConstType<'a>

fn from(x: MayBeNull<Identifier<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Identifier<'a>>> for NonAnyType<'a>

fn from(x: MayBeNull<Identifier<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Int16Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Int16Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Int32Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Int32Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Int8Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Int8Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<IntegerType>> for ConstType<'a>

fn from(x: MayBeNull<IntegerType>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<IntegerType>> for NonAnyType<'a>

fn from(x: MayBeNull<IntegerType>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Object>> for NonAnyType<'a>

fn from(x: MayBeNull<Object>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Octet>> for ConstType<'a>

fn from(x: MayBeNull<Octet>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Octet>> for NonAnyType<'a>

fn from(x: MayBeNull<Octet>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Parenthesized<Punctuated<UnionMemberType<'a>, Or>>>> for Type<'a>

fn from(x: MayBeNull<UnionType<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Parenthesized<Punctuated<UnionMemberType<'a>, Or>>>> for UnionMemberType<'a>

fn from(x: MayBeNull<UnionType<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<RecordType<'a>>> for NonAnyType<'a>

fn from(x: MayBeNull<RecordType<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<SequenceType<'a>>> for NonAnyType<'a>

fn from(x: MayBeNull<SequenceType<'a>>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Symbol>> for NonAnyType<'a>

fn from(x: MayBeNull<Symbol>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<USVString>> for NonAnyType<'a>

fn from(x: MayBeNull<USVString>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Uint16Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Uint16Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Uint32Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Uint32Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Uint8Array>> for NonAnyType<'a>

fn from(x: MayBeNull<Uint8Array>) -> Self

Converts to this type from the input type.

impl<'a> From<MayBeNull<Uint8ClampedArray>> for NonAnyType<'a>

fn from(x: MayBeNull<Uint8ClampedArray>) -> Self

Converts to this type from the input type.

impl<T: Hash> Hash for MayBeNull<T>

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<T: Ord> Ord for MayBeNull<T>

fn cmp(&self, other: &MayBeNull<T>) -> 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, T> Parse<'a> for MayBeNull<T>

where T: Parse<'a>,

fn parse(input: &'a str) -> IResult<&'a str, Self>

impl<T: PartialEq> PartialEq for MayBeNull<T>

fn eq(&self, other: &MayBeNull<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<T: PartialOrd> PartialOrd for MayBeNull<T>

fn partial_cmp(&self, other: &MayBeNull<T>) -> 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<T: Copy> Copy for MayBeNull<T>

impl<T: Eq> Eq for MayBeNull<T>

impl<T> StructuralPartialEq for MayBeNull<T>