Enum OptionNodeId 

#[repr(C, u8)]
pub enum OptionNodeId {
    None,
    Some(NodeId),
}

Variants

None

Some(NodeId)

Implementations

impl OptionNodeId

pub fn into_option(&self) -> Option<NodeId>

impl OptionNodeId

pub const fn as_option(&self) -> Option<&NodeId>

pub const fn replace(&mut self, value: NodeId) -> OptionNodeId

pub const fn is_some(&self) -> bool

pub const fn is_none(&self) -> bool

pub const fn as_ref(&self) -> Option<&NodeId>

pub const fn as_mut(&mut self) -> Option<&mut NodeId>

pub fn map<U, F: FnOnce(NodeId) -> U>(self, f: F) -> Option<U>

pub fn and_then<U, F>(self, f: F) -> Option<U>

where F: FnOnce(NodeId) -> Option<U>,

Trait Implementations

impl Clone for OptionNodeId

fn clone(&self) -> OptionNodeId

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for OptionNodeId

impl Debug for OptionNodeId

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

Formats the value using the given formatter.

impl Default for OptionNodeId

fn default() -> OptionNodeId

Returns the “default value” for a type.

impl Eq for OptionNodeId

impl From<Option<NodeId>> for OptionNodeId

fn from(o: Option<NodeId>) -> OptionNodeId

Converts to this type from the input type.

impl From<OptionNodeId> for Option<NodeId>

fn from(o: OptionNodeId) -> Option<NodeId>

Converts to this type from the input type.

impl Hash for OptionNodeId

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 Ord for OptionNodeId

fn cmp(&self, other: &OptionNodeId) -> 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.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

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

Restrict a value to a certain range.

impl PartialEq for OptionNodeId

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for OptionNodeId

fn partial_cmp(&self, other: &OptionNodeId) -> 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 StructuralPartialEq for OptionNodeId