Struct scale_info::Path

pub struct Path<T: Form = MetaForm> { /* fields omitted */ }

Represents the path of a type definition.

This consists of several segments that each have to be a valid Rust identifier. The first segment represents the crate name in which the type has been defined. The last

Rust prelude type may have an empty namespace definition.

Implementations

impl Path

pub fn new(ident: &'static str, module_path: &'static str) -> Path

Create a new Path

Panics

• If the type identifier or module path contain invalid Rust identifiers

pub fn from_segments<I>(segments: I) -> Result<Path, PathError> where
    I: IntoIterator<Item = &'static str>, 

Create a Path from the given segments

Errors

• If no segments are supplied
• If any of the segments are invalid Rust identifiers

impl<T> Path<T> where
    T: Form, 

pub fn segments(&self) -> &[T::String]

Returns the segments of the Path

pub fn is_empty(&self) -> bool

Returns true if the path is empty

pub fn ident(&self) -> Option<T::String>

Get the ident segment of the Path

pub fn namespace(&self) -> &[T::String]

Get the namespace segments of the Path

Trait Implementations

impl<T: Clone + Form> Clone for Path<T> where
    T::String: Clone, 

fn clone(&self) -> Path<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug + Form> Debug for Path<T> where
    T::String: Debug, 

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

Formats the value using the given formatter.

impl<T: Form> Decode for Path<T> where
    Vec<T::String>: Decode,
    Vec<T::String>: Decode, 

fn decode<__CodecInputEdqy: Input>(
    __codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

Attempt to deserialise the value from input.

pub fn skip<I>(input: &mut I) -> Result<(), Error> where
    I: Input, 

Attempt to skip the encoded value from input.

pub fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl<T> Default for Path<T> where
    T: Form, 

fn default() -> Self

Returns the "default value" for a type.

impl Display for Path<PortableForm>

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

Formats the value using the given formatter.

impl<T: Form> Encode for Path<T> where
    Vec<T::String>: Encode,
    Vec<T::String>: Encode, 

fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
    &self,
    __codec_dest_edqy: &mut __CodecOutputEdqy
)

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.

pub fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

pub fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<T: Form> EncodeLike<Path<T>> for Path<T> where
    Vec<T::String>: Encode,
    Vec<T::String>: Encode, 

impl<T: Eq + Form> Eq for Path<T> where
    T::String: Eq, 

impl IntoPortable for Path

type Output = Path<PortableForm>

The portable version of Self.

fn into_portable(self, registry: &mut Registry) -> Self::Output

Convert self to the portable form by using the registry for caching.

impl<T: Ord + Form> Ord for Path<T> where
    T::String: Ord, 

fn cmp(&self, other: &Path<T>) -> Ordering

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl<T: PartialEq + Form> PartialEq<Path<T>> for Path<T> where
    T::String: PartialEq, 

fn eq(&self, other: &Path<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Path<T>) -> bool

This method tests for !=.

impl<T: PartialOrd + Form> PartialOrd<Path<T>> for Path<T> where
    T::String: PartialOrd, 

fn partial_cmp(&self, other: &Path<T>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Path<T>) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Path<T>) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Path<T>) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Path<T>) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<T: Form> StructuralEq for Path<T>

impl<T: Form> StructuralPartialEq for Path<T>