Struct frame_support::traits::FilterStackGuard

source · [−]

pub struct FilterStackGuard<F: FilterStack<T>, T>(_);

Expand description

Guard type for pushing a constraint to a FilterStack and popping when dropped.

Implementations

source

impl<F: FilterStack<T>, T> FilterStackGuard<F, T>

source

pub fn new(constraint: impl Fn(&T) -> bool + 'static) -> Self

Create a new instance, adding a new constraint onto the filter T, and popping it when this instance is dropped.

Trait Implementations

source

impl<F: FilterStack<T>, T> Drop for FilterStackGuard<F, T>

source

fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations

impl<F, T> RefUnwindSafe for FilterStackGuard<F, T> where
F: RefUnwindSafe,
T: RefUnwindSafe,

impl<F, T> Send for FilterStackGuard<F, T> where
F: Send,
T: Send,

impl<F, T> Sync for FilterStackGuard<F, T> where
F: Sync,
T: Sync,

impl<F, T> Unpin for FilterStackGuard<F, T> where
F: Unpin,
T: Unpin,

impl<F, T> UnwindSafe for FilterStackGuard<F, T> where
F: UnwindSafe,
T: UnwindSafe,

Blanket Implementations

source

impl<T> Any for T where
T: 'static + ?Sized,

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

source

impl<T> CheckedConversion for T

source

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

source

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T> Instrument for T

source

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

source

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

source

impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source

impl<T> IsType<T> for T

source

fn from_ref(t: &T) -> &Self

Cast reference.

source

fn into_ref(&self) -> &T

Cast reference.

source

fn from_mut(t: &mut T) -> &mut Self

Cast mutable reference.

source

fn into_mut(&mut self) -> &mut T

Cast mutable reference.

source

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

source

pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

source

pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

source

impl<T> Same<T> for T

type Output = T

Should always be Self

source

impl<T> SaturatedConversion for T

source

fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

source

fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

source

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

source

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

source

pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

source

impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

source

pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

source

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

source

pub fn vzip(self) -> V

source

Struct frame_support::traits::FilterStackGuard

Implementations

impl<F: FilterStack<T>, T> FilterStackGuard<F, T>

pub fn new(constraint: impl Fn(&T) -> bool + 'static) -> Self

Trait Implementations

impl<F: FilterStack<T>, T> Drop for FilterStackGuard<F, T>

fn drop(&mut self)

Auto Trait Implementations

impl<F, T> RefUnwindSafe for FilterStackGuard<F, T> where F: RefUnwindSafe, T: RefUnwindSafe,

impl<F, T> Send for FilterStackGuard<F, T> where F: Send, T: Send,

impl<F, T> Sync for FilterStackGuard<F, T> where F: Sync, T: Sync,

impl<F, T> Unpin for FilterStackGuard<F, T> where F: Unpin, T: Unpin,

impl<F, T> UnwindSafe for FilterStackGuard<F, T> where F: UnwindSafe, T: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> CheckedConversion for T

fn checked_from<T>(t: T) -> Option<Self> where Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where Self: TryInto<T>,

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> IsType<T> for T

fn from_ref(t: &T) -> &Self

fn into_ref(&self) -> &T

fn from_mut(t: &mut T) -> &mut Self

fn into_mut(&mut self) -> &mut T

impl<T, Outer> IsWrappedBy<Outer> for T where Outer: AsRef<T> + AsMut<T> + From<T>, T: From<Outer>,

pub fn from_ref(outer: &Outer) -> &T

pub fn from_mut(outer: &mut Outer) -> &mut T

impl<T> Same<T> for T

type Output = T

impl<T> SaturatedConversion for T

fn saturated_from<T>(t: T) -> Self where Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where Self: UniqueSaturatedInto<T>,

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T> UncheckedInto<T> for S where T: UncheckedFrom<S>,

pub fn unchecked_into(self) -> T

impl<T, S> UniqueSaturatedInto<T> for S where T: Bounded, S: TryInto<T>,

pub fn unique_saturated_into(self) -> T

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> MaybeRefUnwindSafe for T where T: RefUnwindSafe,

impl<F, T> RefUnwindSafe for FilterStackGuard<F, T> where
F: RefUnwindSafe,
T: RefUnwindSafe,

impl<F, T> Send for FilterStackGuard<F, T> where
F: Send,
T: Send,

impl<F, T> Sync for FilterStackGuard<F, T> where
F: Sync,
T: Sync,

impl<F, T> Unpin for FilterStackGuard<F, T> where
F: Unpin,
T: Unpin,

impl<F, T> UnwindSafe for FilterStackGuard<F, T> where
F: UnwindSafe,
T: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,