reth::core::args

Struct InvalidBlockSelection

Source
pub struct InvalidBlockSelection(/* private fields */);
Expand description

Describes the invalid block hooks that should be installed.

§Example

Create a InvalidBlockSelection from a selection.

use reth_node_core::args::{InvalidBlockHookType, InvalidBlockSelection};
let config: InvalidBlockSelection = vec![InvalidBlockHookType::Witness].into();

Implementations§

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impl InvalidBlockSelection

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pub fn try_from_selection<I, T>( selection: I, ) -> Result<InvalidBlockSelection, <T as TryInto<InvalidBlockHookType>>::Error>
where I: IntoIterator<Item = T>, T: TryInto<InvalidBlockHookType>,

Creates a new unique InvalidBlockSelection from the given items.

§Note

This will dedupe the selection and remove duplicates while preserving the order.

§Example

Create a selection from the InvalidBlockHookType string identifiers

use reth_node_core::args::{InvalidBlockHookType, InvalidBlockSelection};
let selection = vec!["witness", "prestate", "opcode"];
let config = InvalidBlockSelection::try_from_selection(selection).unwrap();
assert_eq!(
    config,
    InvalidBlockSelection::from([
        InvalidBlockHookType::Witness,
        InvalidBlockHookType::PreState,
        InvalidBlockHookType::Opcode
    ])
);

Create a unique selection from the InvalidBlockHookType string identifiers

use reth_node_core::args::{InvalidBlockHookType, InvalidBlockSelection};
let selection = vec!["witness", "prestate", "opcode", "witness", "prestate"];
let config = InvalidBlockSelection::try_from_selection(selection).unwrap();
assert_eq!(
    config,
    InvalidBlockSelection::from([
        InvalidBlockHookType::Witness,
        InvalidBlockHookType::PreState,
        InvalidBlockHookType::Opcode
    ])
);
Source

pub fn to_selection(&self) -> HashSet<InvalidBlockHookType>

Clones the set of configured InvalidBlockHookType.

Methods from Deref<Target = HashSet<InvalidBlockHookType>>§

1.0.0 · Source

pub fn capacity(&self) -> usize

Available on crate feature map only.

Returns the number of elements the set can hold without reallocating.

§Examples
use std::collections::HashSet;
let set: HashSet<i32> = HashSet::with_capacity(100);
assert!(set.capacity() >= 100);
1.0.0 · Source

pub fn iter(&self) -> Iter<'_, T>

Available on crate feature map only.

An iterator visiting all elements in arbitrary order. The iterator element type is &'a T.

§Examples
use std::collections::HashSet;
let mut set = HashSet::new();
set.insert("a");
set.insert("b");

// Will print in an arbitrary order.
for x in set.iter() {
    println!("{x}");
}
§Performance

In the current implementation, iterating over set takes O(capacity) time instead of O(len) because it internally visits empty buckets too.

1.0.0 · Source

pub fn len(&self) -> usize

Available on crate feature map only.

Returns the number of elements in the set.

§Examples
use std::collections::HashSet;

let mut v = HashSet::new();
assert_eq!(v.len(), 0);
v.insert(1);
assert_eq!(v.len(), 1);
1.0.0 · Source

pub fn is_empty(&self) -> bool

Available on crate feature map only.

Returns true if the set contains no elements.

§Examples
use std::collections::HashSet;

let mut v = HashSet::new();
assert!(v.is_empty());
v.insert(1);
assert!(!v.is_empty());
1.9.0 · Source

pub fn hasher(&self) -> &S

Available on crate feature map only.

Returns a reference to the set’s BuildHasher.

§Examples
use std::collections::HashSet;
use std::hash::RandomState;

let hasher = RandomState::new();
let set: HashSet<i32> = HashSet::with_hasher(hasher);
let hasher: &RandomState = set.hasher();
1.0.0 · Source

pub fn difference<'a>( &'a self, other: &'a HashSet<T, S>, ) -> Difference<'a, T, S>

Available on crate feature map only.

Visits the values representing the difference, i.e., the values that are in self but not in other.

§Examples
use std::collections::HashSet;
let a = HashSet::from([1, 2, 3]);
let b = HashSet::from([4, 2, 3, 4]);

// Can be seen as `a - b`.
for x in a.difference(&b) {
    println!("{x}"); // Print 1
}

let diff: HashSet<_> = a.difference(&b).collect();
assert_eq!(diff, [1].iter().collect());

// Note that difference is not symmetric,
// and `b - a` means something else:
let diff: HashSet<_> = b.difference(&a).collect();
assert_eq!(diff, [4].iter().collect());
1.0.0 · Source

pub fn symmetric_difference<'a>( &'a self, other: &'a HashSet<T, S>, ) -> SymmetricDifference<'a, T, S>

Available on crate feature map only.

Visits the values representing the symmetric difference, i.e., the values that are in self or in other but not in both.

§Examples
use std::collections::HashSet;
let a = HashSet::from([1, 2, 3]);
let b = HashSet::from([4, 2, 3, 4]);

// Print 1, 4 in arbitrary order.
for x in a.symmetric_difference(&b) {
    println!("{x}");
}

let diff1: HashSet<_> = a.symmetric_difference(&b).collect();
let diff2: HashSet<_> = b.symmetric_difference(&a).collect();

assert_eq!(diff1, diff2);
assert_eq!(diff1, [1, 4].iter().collect());
1.0.0 · Source

pub fn intersection<'a>( &'a self, other: &'a HashSet<T, S>, ) -> Intersection<'a, T, S>

Available on crate feature map only.

Visits the values representing the intersection, i.e., the values that are both in self and other.

When an equal element is present in self and other then the resulting Intersection may yield references to one or the other. This can be relevant if T contains fields which are not compared by its Eq implementation, and may hold different value between the two equal copies of T in the two sets.

§Examples
use std::collections::HashSet;
let a = HashSet::from([1, 2, 3]);
let b = HashSet::from([4, 2, 3, 4]);

// Print 2, 3 in arbitrary order.
for x in a.intersection(&b) {
    println!("{x}");
}

let intersection: HashSet<_> = a.intersection(&b).collect();
assert_eq!(intersection, [2, 3].iter().collect());
1.0.0 · Source

pub fn union<'a>(&'a self, other: &'a HashSet<T, S>) -> Union<'a, T, S>

Available on crate feature map only.

Visits the values representing the union, i.e., all the values in self or other, without duplicates.

§Examples
use std::collections::HashSet;
let a = HashSet::from([1, 2, 3]);
let b = HashSet::from([4, 2, 3, 4]);

// Print 1, 2, 3, 4 in arbitrary order.
for x in a.union(&b) {
    println!("{x}");
}

let union: HashSet<_> = a.union(&b).collect();
assert_eq!(union, [1, 2, 3, 4].iter().collect());
1.0.0 · Source

pub fn contains<Q>(&self, value: &Q) -> bool
where T: Borrow<Q>, Q: Hash + Eq + ?Sized,

Available on crate feature map only.

Returns true if the set contains a value.

The value may be any borrowed form of the set’s value type, but Hash and Eq on the borrowed form must match those for the value type.

§Examples
use std::collections::HashSet;

let set = HashSet::from([1, 2, 3]);
assert_eq!(set.contains(&1), true);
assert_eq!(set.contains(&4), false);
1.9.0 · Source

pub fn get<Q>(&self, value: &Q) -> Option<&T>
where T: Borrow<Q>, Q: Hash + Eq + ?Sized,

Available on crate feature map only.

Returns a reference to the value in the set, if any, that is equal to the given value.

The value may be any borrowed form of the set’s value type, but Hash and Eq on the borrowed form must match those for the value type.

§Examples
use std::collections::HashSet;

let set = HashSet::from([1, 2, 3]);
assert_eq!(set.get(&2), Some(&2));
assert_eq!(set.get(&4), None);
1.0.0 · Source

pub fn is_disjoint(&self, other: &HashSet<T, S>) -> bool

Available on crate feature map only.

Returns true if self has no elements in common with other. This is equivalent to checking for an empty intersection.

§Examples
use std::collections::HashSet;

let a = HashSet::from([1, 2, 3]);
let mut b = HashSet::new();

assert_eq!(a.is_disjoint(&b), true);
b.insert(4);
assert_eq!(a.is_disjoint(&b), true);
b.insert(1);
assert_eq!(a.is_disjoint(&b), false);
1.0.0 · Source

pub fn is_subset(&self, other: &HashSet<T, S>) -> bool

Available on crate feature map only.

Returns true if the set is a subset of another, i.e., other contains at least all the values in self.

§Examples
use std::collections::HashSet;

let sup = HashSet::from([1, 2, 3]);
let mut set = HashSet::new();

assert_eq!(set.is_subset(&sup), true);
set.insert(2);
assert_eq!(set.is_subset(&sup), true);
set.insert(4);
assert_eq!(set.is_subset(&sup), false);
1.0.0 · Source

pub fn is_superset(&self, other: &HashSet<T, S>) -> bool

Available on crate feature map only.

Returns true if the set is a superset of another, i.e., self contains at least all the values in other.

§Examples
use std::collections::HashSet;

let sub = HashSet::from([1, 2]);
let mut set = HashSet::new();

assert_eq!(set.is_superset(&sub), false);

set.insert(0);
set.insert(1);
assert_eq!(set.is_superset(&sub), false);

set.insert(2);
assert_eq!(set.is_superset(&sub), true);

Trait Implementations§

Source§

impl Clone for InvalidBlockSelection

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fn clone(&self) -> InvalidBlockSelection

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for InvalidBlockSelection

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

Formats the value using the given formatter. Read more
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impl Default for InvalidBlockSelection

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fn default() -> InvalidBlockSelection

Returns the “default value” for a type. Read more
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impl Deref for InvalidBlockSelection

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type Target = HashSet<InvalidBlockHookType>

The resulting type after dereferencing.
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fn deref(&self) -> &<InvalidBlockSelection as Deref>::Target

Dereferences the value.
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impl Display for InvalidBlockSelection

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

Formats the value using the given formatter. Read more
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impl From<&[InvalidBlockHookType]> for InvalidBlockSelection

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fn from(s: &[InvalidBlockHookType]) -> InvalidBlockSelection

Converts to this type from the input type.
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impl<const N: usize> From<[InvalidBlockHookType; N]> for InvalidBlockSelection

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fn from(s: [InvalidBlockHookType; N]) -> InvalidBlockSelection

Converts to this type from the input type.
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impl From<Vec<InvalidBlockHookType>> for InvalidBlockSelection

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fn from(s: Vec<InvalidBlockHookType>) -> InvalidBlockSelection

Converts to this type from the input type.
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impl FromIterator<InvalidBlockHookType> for InvalidBlockSelection

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fn from_iter<I>(iter: I) -> InvalidBlockSelection

Creates a value from an iterator. Read more
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impl FromStr for InvalidBlockSelection

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type Err = ParseError

The associated error which can be returned from parsing.
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fn from_str( s: &str, ) -> Result<InvalidBlockSelection, <InvalidBlockSelection as FromStr>::Err>

Parses a string s to return a value of this type. Read more
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impl PartialEq for InvalidBlockSelection

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for InvalidBlockSelection

Source§

impl StructuralPartialEq for InvalidBlockSelection

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit #126799)
Performs copy-assignment from self to dst. Read more
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🔬This is a nightly-only experimental API. (arbitrary_self_types #44874)
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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes