pub struct NullableOpt<T>(pub Option<T>);Expand description
Helper type for accepting no value, or null, but considering undefined as a value
Tuple Fields§
§0: Option<T>Trait Implementations§
Source§impl<'js, T: FromJs<'js>> FromParam<'js> for NullableOpt<T>
impl<'js, T: FromJs<'js>> FromParam<'js> for NullableOpt<T>
Source§fn param_requirement() -> ParamRequirement
fn param_requirement() -> ParamRequirement
The parameters requirements this value requires.
Source§fn from_param<'a>(params: &mut ParamsAccessor<'a, 'js>) -> Result<Self>
fn from_param<'a>(params: &mut ParamsAccessor<'a, 'js>) -> Result<Self>
Convert from a parameter value.
Auto Trait Implementations§
impl<T> Freeze for NullableOpt<T>
impl<T> RefUnwindSafe for NullableOpt<T>where
Option<T>: RefUnwindSafe,
impl<T> Send for NullableOpt<T>
impl<T> Sync for NullableOpt<T>
impl<T> Unpin for NullableOpt<T>
impl<T> UnsafeUnpin for NullableOpt<T>where
Option<T>: UnsafeUnpin,
impl<T> UnwindSafe for NullableOpt<T>where
Option<T>: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
Source§fn in_current_span(self) -> Instrumented<Self> ⓘ
fn in_current_span(self) -> Instrumented<Self> ⓘ
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more