Enum OptionScrollState 

#[repr(C, u8)]
pub enum OptionScrollState {
    None,
    Some(ScrollState),
}

Variants

None

Some(ScrollState)

Implementations

impl OptionScrollState

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

impl OptionScrollState

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

pub const fn replace(&mut self, value: ScrollState) -> OptionScrollState

pub const fn is_some(&self) -> bool

pub const fn is_none(&self) -> bool

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

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

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

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

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

Trait Implementations

impl Clone for OptionScrollState

fn clone(&self) -> OptionScrollState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for OptionScrollState

impl Debug for OptionScrollState

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

Formats the value using the given formatter.

impl Default for OptionScrollState

fn default() -> OptionScrollState

Returns the “default value” for a type.

impl Eq for OptionScrollState

impl From<Option<ScrollState>> for OptionScrollState

fn from(o: Option<ScrollState>) -> OptionScrollState

Converts to this type from the input type.

impl From<OptionScrollState> for Option<ScrollState>

fn from(o: OptionScrollState) -> Option<ScrollState>

Converts to this type from the input type.

impl PartialEq for OptionScrollState

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for OptionScrollState

fn partial_cmp(&self, other: &OptionScrollState) -> 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 OptionScrollState