Enum staging_xcm::v4::Junctions
source · pub enum Junctions {
Here,
X1(Arc<[Junction; 1]>),
X2(Arc<[Junction; 2]>),
X3(Arc<[Junction; 3]>),
X4(Arc<[Junction; 4]>),
X5(Arc<[Junction; 5]>),
X6(Arc<[Junction; 6]>),
X7(Arc<[Junction; 7]>),
X8(Arc<[Junction; 8]>),
}
Expand description
Non-parent junctions that can be constructed, up to the length of 8. This specific Junctions
implementation uses a Rust enum
in order to make pattern matching easier.
Parent junctions cannot be constructed with this type. Refer to Location
for
instructions on constructing parent junctions.
Variants§
Here
The interpreting consensus system.
X1(Arc<[Junction; 1]>)
A relative path comprising 1 junction.
X2(Arc<[Junction; 2]>)
A relative path comprising 2 junctions.
X3(Arc<[Junction; 3]>)
A relative path comprising 3 junctions.
X4(Arc<[Junction; 4]>)
A relative path comprising 4 junctions.
X5(Arc<[Junction; 5]>)
A relative path comprising 5 junctions.
X6(Arc<[Junction; 6]>)
A relative path comprising 6 junctions.
X7(Arc<[Junction; 7]>)
A relative path comprising 7 junctions.
X8(Arc<[Junction; 8]>)
A relative path comprising 8 junctions.
Implementations§
source§impl Junctions
impl Junctions
sourcepub const fn into_location(self) -> Location
pub const fn into_location(self) -> Location
Convert self
into a Location
containing 0 parents.
Similar to Into::into
, except that this method can be used in a const evaluation context.
sourcepub const fn into_exterior(self, n: u8) -> Location
pub const fn into_exterior(self, n: u8) -> Location
Convert self
into a Location
containing n
parents.
Similar to Self::into_location
, with the added ability to specify the number of parent
junctions.
sourcepub fn as_slice_mut(&mut self) -> &mut [Junction]
pub fn as_slice_mut(&mut self) -> &mut [Junction]
Casts self
into a mutable slice containing Junction
s.
sourcepub fn remove_network_id(&mut self)
pub fn remove_network_id(&mut self)
Remove the NetworkId
value in any Junction
s.
sourcepub fn invert_target(&self, target: &Location) -> Result<Location, ()>
pub fn invert_target(&self, target: &Location) -> Result<Location, ()>
Treating self
as the universal context, return the location of the local consensus system
from the point of view of the given target
.
sourcepub fn for_each_mut(&mut self, x: impl FnMut(&mut Junction))
pub fn for_each_mut(&mut self, x: impl FnMut(&mut Junction))
Execute a function f
on every junction. We use this since we cannot implement a mutable
Iterator
without unsafe code.
sourcepub fn global_consensus(&self) -> Result<NetworkId, ()>
pub fn global_consensus(&self) -> Result<NetworkId, ()>
Extract the network ID treating this value as a universal location.
This will return an Err
if the first item is not a GlobalConsensus
, which would indicate
that this value is not a universal location.
sourcepub fn split_global(self) -> Result<(NetworkId, Junctions), ()>
pub fn split_global(self) -> Result<(NetworkId, Junctions), ()>
Extract the network ID and the interior consensus location, treating this value as a universal location.
This will return an Err
if the first item is not a GlobalConsensus
, which would indicate
that this value is not a universal location.
sourcepub fn within_global(self, relative: Location) -> Result<Self, ()>
pub fn within_global(self, relative: Location) -> Result<Self, ()>
Treat self
as a universal location and the context of relative
, returning the universal
location of relative.
This will return an error if relative
has as many (or more) parents than there are
junctions in self
, implying that relative refers into a different global consensus.
sourcepub fn relative_to(self, viewer: &Junctions) -> Location
pub fn relative_to(self, viewer: &Junctions) -> Location
Consumes self
and returns how viewer
would address it locally.
sourcepub fn first(&self) -> Option<&Junction>
pub fn first(&self) -> Option<&Junction>
Returns first junction, or None
if the location is empty.
sourcepub fn last(&self) -> Option<&Junction>
pub fn last(&self) -> Option<&Junction>
Returns last junction, or None
if the location is empty.
sourcepub fn split_first(self) -> (Junctions, Option<Junction>)
pub fn split_first(self) -> (Junctions, Option<Junction>)
Splits off the first junction, returning the remaining suffix (first item in tuple) and the
first element (second item in tuple) or None
if it was empty.
sourcepub fn split_last(self) -> (Junctions, Option<Junction>)
pub fn split_last(self) -> (Junctions, Option<Junction>)
Splits off the last junction, returning the remaining prefix (first item in tuple) and the
last element (second item in tuple) or None
if it was empty.
sourcepub fn take_first(&mut self) -> Option<Junction>
pub fn take_first(&mut self) -> Option<Junction>
Removes the first element from self
, returning it (or None
if it was empty).
sourcepub fn take_last(&mut self) -> Option<Junction>
pub fn take_last(&mut self) -> Option<Junction>
Removes the last element from self
, returning it (or None
if it was empty).
sourcepub fn push(&mut self, new: impl Into<Junction>) -> Result<(), Junction>
pub fn push(&mut self, new: impl Into<Junction>) -> Result<(), Junction>
Mutates self
to be appended with new
or returns an Err
with new
if would overflow.
sourcepub fn push_front(&mut self, new: impl Into<Junction>) -> Result<(), Junction>
pub fn push_front(&mut self, new: impl Into<Junction>) -> Result<(), Junction>
Mutates self
to be prepended with new
or returns an Err
with new
if would overflow.
sourcepub fn pushed_with(
self,
new: impl Into<Junction>,
) -> Result<Self, (Self, Junction)>
pub fn pushed_with( self, new: impl Into<Junction>, ) -> Result<Self, (Self, Junction)>
Consumes self
and returns a Junctions
suffixed with new
, or an Err
with the
original value of self
and new
in case of overflow.
sourcepub fn pushed_front_with(
self,
new: impl Into<Junction>,
) -> Result<Self, (Self, Junction)>
pub fn pushed_front_with( self, new: impl Into<Junction>, ) -> Result<Self, (Self, Junction)>
Consumes self
and returns a Junctions
prefixed with new
, or an Err
with the
original value of self
and new
in case of overflow.
sourcepub fn append_with(
&mut self,
suffix: impl Into<Junctions>,
) -> Result<(), Junctions>
pub fn append_with( &mut self, suffix: impl Into<Junctions>, ) -> Result<(), Junctions>
Mutate self
so that it is suffixed with suffix
.
Does not modify self
and returns Err
with suffix
in case of overflow.
§Example
let mut m = Junctions::from([Parachain(21)]);
assert_eq!(m.append_with([PalletInstance(3)]), Ok(()));
assert_eq!(m, [Parachain(21), PalletInstance(3)]);
sourcepub fn at(&self, i: usize) -> Option<&Junction>
pub fn at(&self, i: usize) -> Option<&Junction>
Returns the junction at index i
, or None
if the location doesn’t contain that many
elements.
sourcepub fn at_mut(&mut self, i: usize) -> Option<&mut Junction>
pub fn at_mut(&mut self, i: usize) -> Option<&mut Junction>
Returns a mutable reference to the junction at index i
, or None
if the location doesn’t
contain that many elements.
sourcepub fn iter(&self) -> JunctionsRefIterator<'_>
pub fn iter(&self) -> JunctionsRefIterator<'_>
Returns a reference iterator over the junctions.
sourcepub fn match_and_split(&self, prefix: &Junctions) -> Option<&Junction>
pub fn match_and_split(&self, prefix: &Junctions) -> Option<&Junction>
Ensures that self begins with prefix
and that it has a single Junction
item following.
If so, returns a reference to this Junction
item.
§Example
let mut m = Junctions::from([Parachain(2), PalletInstance(3), OnlyChild]);
assert_eq!(m.match_and_split(&[Parachain(2), PalletInstance(3)].into()), Some(&OnlyChild));
assert_eq!(m.match_and_split(&[Parachain(2)].into()), None);
pub fn starts_with(&self, prefix: &Junctions) -> bool
Trait Implementations§
source§impl Decode for Junctions
impl Decode for Junctions
source§fn decode<__CodecInputEdqy: Input>(
__codec_input_edqy: &mut __CodecInputEdqy,
) -> Result<Self, Error>
fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>
§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
§fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
source§impl<'de> Deserialize<'de> for Junctions
impl<'de> Deserialize<'de> for Junctions
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
source§impl Encode for Junctions
impl Encode for Junctions
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
source§fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy,
)
fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )
§fn using_encoded<R, F>(&self, f: F) -> R
fn using_encoded<R, F>(&self, f: F) -> R
§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
source§impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>> From<(J0, J1, J2)> for Junctions
impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>> From<(J0, J1, J2)> for Junctions
source§fn from((j0, j1, j2): (J0, J1, J2)) -> Self
fn from((j0, j1, j2): (J0, J1, J2)) -> Self
source§impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>> From<(J0, J1, J2, J3)> for Junctions
impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>> From<(J0, J1, J2, J3)> for Junctions
source§fn from((j0, j1, j2, j3): (J0, J1, J2, J3)) -> Self
fn from((j0, j1, j2, j3): (J0, J1, J2, J3)) -> Self
source§impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>> From<(J0, J1, J2, J3, J4)> for Junctions
impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>> From<(J0, J1, J2, J3, J4)> for Junctions
source§fn from((j0, j1, j2, j3, j4): (J0, J1, J2, J3, J4)) -> Self
fn from((j0, j1, j2, j3, j4): (J0, J1, J2, J3, J4)) -> Self
source§impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>, J5: Into<Junction>> From<(J0, J1, J2, J3, J4, J5)> for Junctions
impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>, J5: Into<Junction>> From<(J0, J1, J2, J3, J4, J5)> for Junctions
source§fn from((j0, j1, j2, j3, j4, j5): (J0, J1, J2, J3, J4, J5)) -> Self
fn from((j0, j1, j2, j3, j4, j5): (J0, J1, J2, J3, J4, J5)) -> Self
source§impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>, J5: Into<Junction>, J6: Into<Junction>> From<(J0, J1, J2, J3, J4, J5, J6)> for Junctions
impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>, J5: Into<Junction>, J6: Into<Junction>> From<(J0, J1, J2, J3, J4, J5, J6)> for Junctions
source§fn from((j0, j1, j2, j3, j4, j5, j6): (J0, J1, J2, J3, J4, J5, J6)) -> Self
fn from((j0, j1, j2, j3, j4, j5, j6): (J0, J1, J2, J3, J4, J5, J6)) -> Self
source§impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>, J5: Into<Junction>, J6: Into<Junction>, J7: Into<Junction>> From<(J0, J1, J2, J3, J4, J5, J6, J7)> for Junctions
impl<J0: Into<Junction>, J1: Into<Junction>, J2: Into<Junction>, J3: Into<Junction>, J4: Into<Junction>, J5: Into<Junction>, J6: Into<Junction>, J7: Into<Junction>> From<(J0, J1, J2, J3, J4, J5, J6, J7)> for Junctions
source§fn from(
(j0, j1, j2, j3, j4, j5, j6, j7): (J0, J1, J2, J3, J4, J5, J6, J7),
) -> Self
fn from( (j0, j1, j2, j3, j4, j5, j6, j7): (J0, J1, J2, J3, J4, J5, J6, J7), ) -> Self
source§impl<'a> IntoIterator for &'a Junctions
impl<'a> IntoIterator for &'a Junctions
source§impl IntoIterator for Junctions
impl IntoIterator for Junctions
source§impl MaxEncodedLen for Junctions
impl MaxEncodedLen for Junctions
source§fn max_encoded_len() -> usize
fn max_encoded_len() -> usize
source§impl Ord for Junctions
impl Ord for Junctions
source§impl PartialEq<[Junction; 1]> for Junctions
impl PartialEq<[Junction; 1]> for Junctions
source§impl PartialEq<[Junction; 2]> for Junctions
impl PartialEq<[Junction; 2]> for Junctions
source§impl PartialEq<[Junction; 3]> for Junctions
impl PartialEq<[Junction; 3]> for Junctions
source§impl PartialEq<[Junction; 4]> for Junctions
impl PartialEq<[Junction; 4]> for Junctions
source§impl PartialEq<[Junction; 5]> for Junctions
impl PartialEq<[Junction; 5]> for Junctions
source§impl PartialEq<[Junction; 6]> for Junctions
impl PartialEq<[Junction; 6]> for Junctions
source§impl PartialEq<[Junction; 7]> for Junctions
impl PartialEq<[Junction; 7]> for Junctions
source§impl PartialEq<[Junction; 8]> for Junctions
impl PartialEq<[Junction; 8]> for Junctions
source§impl PartialEq for Junctions
impl PartialEq for Junctions
source§impl PartialOrd for Junctions
impl PartialOrd for Junctions
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl TryAs<Junctions> for VersionedInteriorLocation
impl TryAs<Junctions> for VersionedInteriorLocation
impl EncodeLike for Junctions
impl Eq for Junctions
impl StructuralPartialEq for Junctions
Auto Trait Implementations§
impl Freeze for Junctions
impl RefUnwindSafe for Junctions
impl Send for Junctions
impl Sync for Junctions
impl Unpin for Junctions
impl UnwindSafe for Junctions
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builds.§impl<T> TryConv for T
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§impl<T, U> TryIntoKey<U> for Twhere
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.§impl<T, S> UniqueSaturatedInto<T> for S
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§fn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
T
.