Struct rustc_data_structures::stable_hasher::StableVec

pub struct StableVec<T>(_);

A vector container that makes sure that its items are hashed in a stable order.

Methods

impl<T> StableVec<T>

pub fn new(v: Vec<T>) -> Self

Methods from Deref<Target = Vec<T>>

pub fn capacity(&self) -> usize

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

Examples

let vec: Vec<i32> = Vec::with_capacity(10);
assert_eq!(vec.capacity(), 10);

Important traits for &'a mut [u8]

impl<'a> Write for &'a mut [u8]impl<'a> Read for &'a [u8]

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

Extracts a slice containing the entire vector.

Equivalent to &s[..].

Examples

use std::io::{self, Write};
let buffer = vec![1, 2, 3, 5, 8];
io::sink().write(buffer.as_slice()).unwrap();

pub fn len(&self) -> usize

Returns the number of elements in the vector, also referred to as its 'length'.

Examples

let a = vec![1, 2, 3];
assert_eq!(a.len(), 3);

pub fn is_empty(&self) -> bool

Returns true if the vector contains no elements.

Examples

let mut v = Vec::new();
assert!(v.is_empty());

v.push(1);
assert!(!v.is_empty());

Trait Implementations

impl<T, HCX> HashStable<HCX> for StableVec<T> where
    T: HashStable<HCX> + ToStableHashKey<HCX>, 

fn hash_stable<W: StableHasherResult>(
    &self,
    hcx: &mut HCX,
    hasher: &mut StableHasher<W>
)

impl<T> Deref for StableVec<T>

type Target = Vec<T>

The resulting type after dereferencing.

fn deref(&self) -> &Vec<T>

Dereferences the value.