Struct Solutions

pub struct Solutions<N: Network> { /* private fields */ }

Implementations

impl<N: Network> Solutions<N>

pub fn to_solutions_root(&self) -> Result<Field<N>>

Returns the solutions root.

impl<N: Network> Solutions<N>

pub const MAX_ABORTED_SOLUTIONS: usize = _

The maximum number of aborted solutions allowed in a block.

impl<N: Network> Solutions<N>

pub fn new(solutions: PuzzleSolutions<N>) -> Result<Self>

Initializes a new instance of the solutions.

pub fn is_empty(&self) -> bool

Returns true if the solutions are empty.

pub fn len(&self) -> usize

Returns the number of solutions.

impl<N: Network> Solutions<N>

pub fn solution_ids<'a>( &'a self, ) -> Box<dyn Iterator<Item = &'a SolutionID<N>> + 'a>

Returns an iterator over the solution IDs.

Methods from Deref<Target = Option<PuzzleSolutions<N>>>

pub fn is_some(&self) -> bool

Returns true if the option is a Some value.

Examples

let x: Option<u32> = Some(2);
assert_eq!(x.is_some(), true);

let x: Option<u32> = None;
assert_eq!(x.is_some(), false);

pub fn is_none(&self) -> bool

Returns true if the option is a None value.

Examples

let x: Option<u32> = Some(2);
assert_eq!(x.is_none(), false);

let x: Option<u32> = None;
assert_eq!(x.is_none(), true);

pub fn as_ref(&self) -> Option<&T>

Converts from &Option<T> to Option<&T>.

Examples

Calculates the length of an Option<String> as an Option<usize> without moving the String. The map method takes the self argument by value, consuming the original, so this technique uses as_ref to first take an Option to a reference to the value inside the original.

let text: Option<String> = Some("Hello, world!".to_string());
// First, cast `Option<String>` to `Option<&String>` with `as_ref`,
// then consume *that* with `map`, leaving `text` on the stack.
let text_length: Option<usize> = text.as_ref().map(|s| s.len());
println!("still can print text: {text:?}");

pub fn as_pin_ref(self: Pin<&Option<T>>) -> Option<Pin<&T>>

Converts from Pin<&Option<T>> to Option<Pin<&T>>.

pub fn as_pin_mut(self: Pin<&mut Option<T>>) -> Option<Pin<&mut T>>

Converts from Pin<&mut Option<T>> to Option<Pin<&mut T>>.

pub fn as_slice(&self) -> &[T]

Returns a slice of the contained value, if any. If this is None, an empty slice is returned. This can be useful to have a single type of iterator over an Option or slice.

Note: Should you have an Option<&T> and wish to get a slice of T, you can unpack it via opt.map_or(&[], std::slice::from_ref).

Examples

assert_eq!(
    [Some(1234).as_slice(), None.as_slice()],
    [&[1234][..], &[][..]],
);

The inverse of this function is (discounting borrowing) [_]::first:

for i in [Some(1234_u16), None] {
    assert_eq!(i.as_ref(), i.as_slice().first());
}

pub fn as_deref(&self) -> Option<&<T as Deref>::Target>

where T: Deref,

Converts from Option<T> (or &Option<T>) to Option<&T::Target>.

Leaves the original Option in-place, creating a new one with a reference to the original one, additionally coercing the contents via Deref.

Examples

let x: Option<String> = Some("hey".to_owned());
assert_eq!(x.as_deref(), Some("hey"));

let x: Option<String> = None;
assert_eq!(x.as_deref(), None);

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

Returns an iterator over the possibly contained value.

Examples

let x = Some(4);
assert_eq!(x.iter().next(), Some(&4));

let x: Option<u32> = None;
assert_eq!(x.iter().next(), None);

Trait Implementations

impl<N: Clone + Network> Clone for Solutions<N>

fn clone(&self) -> Solutions<N>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<N: Network> Debug for Solutions<N>

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

Prints the solutions as a JSON-string.

impl<N: Network> Deref for Solutions<N>

fn deref(&self) -> &Self::Target

Returns the solutions.

type Target = Option<PuzzleSolutions<N>>

The resulting type after dereferencing.

impl<'de, N: Network> Deserialize<'de> for Solutions<N>

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserializes the solutions from a JSON-string or buffer.

impl<N: Network> Display for Solutions<N>

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

Displays the solutions as a JSON-string.

impl<N: Network> From<Option<PuzzleSolutions<N>>> for Solutions<N>

fn from(solutions: Option<PuzzleSolutions<N>>) -> Self

Initializes a new instance of the solutions.

impl<N: Network> FromBytes for Solutions<N>

fn read_le<R: Read>(reader: R) -> IoResult<Self>

Reads the solutions from the buffer.

fn from_bytes_le(bytes: &[u8]) -> Result<Self, Error>

where Self: Sized,

Returns Self from a byte array in little-endian order.

impl<N: Network> FromStr for Solutions<N>

fn from_str(solutions: &str) -> Result<Self, Self::Err>

Initializes the solutions from a JSON-string.

type Err = Error

The associated error which can be returned from parsing.

impl<N: PartialEq + Network> PartialEq for Solutions<N>

fn eq(&self, other: &Solutions<N>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

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

impl<N: Network> Serialize for Solutions<N>

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serializes the solutions to a JSON-string or buffer.

impl<N: Network> ToBytes for Solutions<N>

fn write_le<W: Write>(&self, writer: W) -> IoResult<()>

Writes the solutions to the buffer.

fn to_bytes_le(&self) -> Result<Vec<u8>, Error>

where Self: Sized,

Returns self as a byte array in little-endian order.

impl<N: Eq + Network> Eq for Solutions<N>

impl<N: Network> StructuralPartialEq for Solutions<N>