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13
.gitignore
vendored
13
.gitignore
vendored
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@ -1,15 +1,2 @@
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# ---> Rust
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# Generated by Cargo
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# will have compiled files and executables
|
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debug/
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target/
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target/
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||||||
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# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
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||||||
# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
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Cargo.lock
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Cargo.lock
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# These are backup files generated by rustfmt
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**/*.rs.bk
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# MSVC Windows builds of rustc generate these, which store debugging information
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*.pdb
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@ -2,6 +2,11 @@
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name = "dyn_vec"
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name = "dyn_vec"
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version = "0.1.0"
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version = "0.1.0"
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||||||
edition = "2021"
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edition = "2021"
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||||||
|
description = "A Vec<T: ?Sized>"
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repository = "https://git.karx.xyz/missing/dyn_vec"
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license = "MIT OR Apache-2.0"
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keywords = ["vec", "unsized"]
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||||||
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categories = ["data-structures", "memory-management", "rust-patterns"]
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||||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
|
17
LICENSE
17
LICENSE
|
@ -1,17 +0,0 @@
|
||||||
Permission is hereby granted, without written agreement and without
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|
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license or royalty fees, to use, copy, modify, and distribute this
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|
||||||
software and its documentation for any purpose, provided that the
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|
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above copyright notice and the following two paragraphs appear in
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all copies of this software.
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|
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IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGE.
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THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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201
LICENSE-APACHE
Normal file
201
LICENSE-APACHE
Normal file
|
@ -0,0 +1,201 @@
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|
Apache License
|
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|
Version 2.0, January 2004
|
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|
http://www.apache.org/licenses/
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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APPENDIX: How to apply the Apache License to your work.
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LICENSE-MIT
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LICENSE-MIT
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SOFTWARE.
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10
src/bench.rs
10
src/bench.rs
|
@ -5,12 +5,12 @@ use test::{black_box, Bencher};
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||||||
extern crate test;
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extern crate test;
|
||||||
|
|
||||||
use super::DynVec;
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use super::DynVec;
|
||||||
use std::{fmt::Debug, mem, vec::Vec as StdVec};
|
use std::{fmt::Debug, mem, vec::Vec};
|
||||||
|
|
||||||
#[bench]
|
#[bench]
|
||||||
#[cfg_attr(miri, ignore)]
|
#[cfg_attr(miri, ignore)]
|
||||||
fn std_push(b: &mut Bencher) {
|
fn std_push(b: &mut Bencher) {
|
||||||
let mut vec = StdVec::new();
|
let mut vec = Vec::new();
|
||||||
|
|
||||||
b.iter(|| vec.push(black_box(5)));
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b.iter(|| vec.push(black_box(5)));
|
||||||
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|
||||||
|
@ -30,7 +30,7 @@ fn dyn_push(b: &mut Bencher) {
|
||||||
#[bench]
|
#[bench]
|
||||||
#[cfg_attr(miri, ignore)]
|
#[cfg_attr(miri, ignore)]
|
||||||
fn std_push_box(b: &mut Bencher) {
|
fn std_push_box(b: &mut Bencher) {
|
||||||
let mut vec = StdVec::new();
|
let mut vec = Vec::new();
|
||||||
|
|
||||||
b.iter(|| vec.push(black_box(Box::new(5) as Box<dyn Debug>)));
|
b.iter(|| vec.push(black_box(Box::new(5) as Box<dyn Debug>)));
|
||||||
|
|
||||||
|
@ -72,11 +72,11 @@ fn dyn_push_then_unsize(b: &mut Bencher) {
|
||||||
#[bench]
|
#[bench]
|
||||||
#[cfg_attr(miri, ignore)]
|
#[cfg_attr(miri, ignore)]
|
||||||
fn box_forget(b: &mut Bencher) {
|
fn box_forget(b: &mut Bencher) {
|
||||||
b.iter(|| mem::forget(black_box(Box::new(5))));
|
b.iter(|| mem::forget(black_box(Box::new(black_box(5)))));
|
||||||
}
|
}
|
||||||
|
|
||||||
#[bench]
|
#[bench]
|
||||||
#[cfg_attr(miri, ignore)]
|
#[cfg_attr(miri, ignore)]
|
||||||
fn box_dealloc(b: &mut Bencher) {
|
fn box_dealloc(b: &mut Bencher) {
|
||||||
b.iter(|| drop(black_box(Box::new(5))));
|
b.iter(|| drop(black_box(Box::new(black_box(5)))));
|
||||||
}
|
}
|
||||||
|
|
62
src/impls.rs
62
src/impls.rs
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@ -8,11 +8,11 @@ use std::{
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||||||
ops::{Deref, DerefMut},
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ops::{Deref, DerefMut},
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||||||
ptr::NonNull,
|
ptr::NonNull,
|
||||||
slice,
|
slice,
|
||||||
vec::Vec as StdVec,
|
vec::Vec,
|
||||||
};
|
};
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||||||
|
|
||||||
#[cfg(feature = "unstable")]
|
// #[cfg(any(doc, feature = "unstable"))]
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||||||
use std::ops::CoerceUnsized;
|
// use std::ops::CoerceUnsized;
|
||||||
|
|
||||||
impl<T: ?Sized> Default for DynVec<T> {
|
impl<T: ?Sized> Default for DynVec<T> {
|
||||||
fn default() -> Self {
|
fn default() -> Self {
|
||||||
|
@ -44,7 +44,7 @@ impl<T: ?Sized + PartialEq<U>, U: ?Sized> PartialEq<DynVec<U>> for DynVec<T> {
|
||||||
impl<T: ?Sized + Eq> Eq for DynVec<T> {}
|
impl<T: ?Sized + Eq> Eq for DynVec<T> {}
|
||||||
|
|
||||||
// DynVec<T> == [U]
|
// DynVec<T> == [U]
|
||||||
impl<T: PartialEq<U>, U> PartialEq<[U]> for DynVec<T> {
|
impl<T: PartialEq<U> + ?Sized, U> PartialEq<[U]> for DynVec<T> {
|
||||||
fn eq(&self, other: &[U]) -> bool {
|
fn eq(&self, other: &[U]) -> bool {
|
||||||
if self.len != other.len() {
|
if self.len != other.len() {
|
||||||
return false;
|
return false;
|
||||||
|
@ -59,83 +59,83 @@ impl<T: PartialEq<U>, U> PartialEq<[U]> for DynVec<T> {
|
||||||
}
|
}
|
||||||
|
|
||||||
// [U] == DynVec<T>
|
// [U] == DynVec<T>
|
||||||
impl<T: PartialEq<U>, U> PartialEq<DynVec<T>> for [U] {
|
impl<T: PartialEq<U> + ?Sized, U> PartialEq<DynVec<T>> for [U] {
|
||||||
fn eq(&self, other: &DynVec<T>) -> bool {
|
fn eq(&self, other: &DynVec<T>) -> bool {
|
||||||
other == self
|
other == self
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// DynVec<T> == &[U]
|
// DynVec<T> == &[U]
|
||||||
impl<T: PartialEq<U>, U> PartialEq<&[U]> for DynVec<T> {
|
impl<T: PartialEq<U> + ?Sized, U> PartialEq<&[U]> for DynVec<T> {
|
||||||
fn eq(&self, other: &&[U]) -> bool {
|
fn eq(&self, other: &&[U]) -> bool {
|
||||||
*self == **other
|
*self == **other
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// &[U] == DynVec<T>
|
// &[U] == DynVec<T>
|
||||||
impl<T: PartialEq<U>, U> PartialEq<DynVec<T>> for &[U] {
|
impl<T: PartialEq<U> + ?Sized, U> PartialEq<DynVec<T>> for &[U] {
|
||||||
fn eq(&self, other: &DynVec<T>) -> bool {
|
fn eq(&self, other: &DynVec<T>) -> bool {
|
||||||
*other == **self
|
*other == **self
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// DynVec<T> == &mut [U]
|
// DynVec<T> == &mut [U]
|
||||||
impl<T: PartialEq<U>, U> PartialEq<&mut [U]> for DynVec<T> {
|
impl<T: PartialEq<U> + ?Sized, U> PartialEq<&mut [U]> for DynVec<T> {
|
||||||
fn eq(&self, other: &&mut [U]) -> bool {
|
fn eq(&self, other: &&mut [U]) -> bool {
|
||||||
*self == **other
|
*self == **other
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// &mut [U] == DynVec<T>
|
// &mut [U] == DynVec<T>
|
||||||
impl<T: PartialEq<U>, U> PartialEq<DynVec<T>> for &mut [U] {
|
impl<T: PartialEq<U> + ?Sized, U> PartialEq<DynVec<T>> for &mut [U] {
|
||||||
fn eq(&self, other: &DynVec<T>) -> bool {
|
fn eq(&self, other: &DynVec<T>) -> bool {
|
||||||
*other == **self
|
*other == **self
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// DynVec<T> == [U; N]
|
// DynVec<T> == [U; N]
|
||||||
impl<T: PartialEq<U>, U, const N: usize> PartialEq<[U; N]> for DynVec<T> {
|
impl<T: PartialEq<U> + ?Sized, U, const N: usize> PartialEq<[U; N]> for DynVec<T> {
|
||||||
fn eq(&self, other: &[U; N]) -> bool {
|
fn eq(&self, other: &[U; N]) -> bool {
|
||||||
*self == other[..]
|
*self == other[..]
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// [U; N] == DynVec<T>
|
// [U; N] == DynVec<T>
|
||||||
impl<T: PartialEq<U>, U, const N: usize> PartialEq<DynVec<T>> for [U; N] {
|
impl<T: PartialEq<U> + ?Sized, U, const N: usize> PartialEq<DynVec<T>> for [U; N] {
|
||||||
fn eq(&self, other: &DynVec<T>) -> bool {
|
fn eq(&self, other: &DynVec<T>) -> bool {
|
||||||
*other == self[..]
|
*other == self[..]
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// DynVec<T> == &[U; N]
|
// DynVec<T> == &[U; N]
|
||||||
impl<T: PartialEq<U>, U, const N: usize> PartialEq<&[U; N]> for DynVec<T> {
|
impl<T: PartialEq<U> + ?Sized, U, const N: usize> PartialEq<&[U; N]> for DynVec<T> {
|
||||||
fn eq(&self, other: &&[U; N]) -> bool {
|
fn eq(&self, other: &&[U; N]) -> bool {
|
||||||
*self == other[..]
|
*self == other[..]
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// &[U; N] == DynVec<T>
|
// &[U; N] == DynVec<T>
|
||||||
impl<T: PartialEq<U>, U, const N: usize> PartialEq<DynVec<T>> for &[U; N] {
|
impl<T: PartialEq<U> + ?Sized, U, const N: usize> PartialEq<DynVec<T>> for &[U; N] {
|
||||||
fn eq(&self, other: &DynVec<T>) -> bool {
|
fn eq(&self, other: &DynVec<T>) -> bool {
|
||||||
*other == self[..]
|
*other == self[..]
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// DynVec<T> == &mut [U; N]
|
// DynVec<T> == &mut [U; N]
|
||||||
impl<T: PartialEq<U>, U, const N: usize> PartialEq<&mut [U; N]> for DynVec<T> {
|
impl<T: PartialEq<U> + ?Sized, U, const N: usize> PartialEq<&mut [U; N]> for DynVec<T> {
|
||||||
fn eq(&self, other: &&mut [U; N]) -> bool {
|
fn eq(&self, other: &&mut [U; N]) -> bool {
|
||||||
*self == other[..]
|
*self == other[..]
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// &mut [U; N] == DynVec<T>
|
// &mut [U; N] == DynVec<T>
|
||||||
impl<T: PartialEq<U>, U, const N: usize> PartialEq<DynVec<T>> for &mut [U; N] {
|
impl<T: PartialEq<U> + ?Sized, U, const N: usize> PartialEq<DynVec<T>> for &mut [U; N] {
|
||||||
fn eq(&self, other: &DynVec<T>) -> bool {
|
fn eq(&self, other: &DynVec<T>) -> bool {
|
||||||
*other == self[..]
|
*other == self[..]
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
#[cfg(not(feature = "unstable"))]
|
// #[cfg(not(feature = "unstable"))]
|
||||||
impl<T: ?Sized> Extend<Box<T>> for DynVec<T> {
|
impl<T: ?Sized> Extend<Box<T>> for DynVec<T> {
|
||||||
fn extend<I: IntoIterator<Item = Box<T>>>(&mut self, iter: I) {
|
fn extend<I: IntoIterator<Item = Box<T>>>(&mut self, iter: I) {
|
||||||
for item in iter {
|
for item in iter {
|
||||||
|
@ -145,18 +145,18 @@ impl<T: ?Sized> Extend<Box<T>> for DynVec<T> {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
#[cfg(feature = "unstable")]
|
// #[cfg(feature = "unstable")]
|
||||||
impl<T: ?Sized, U: ?Sized> Extend<Box<U>> for DynVec<T>
|
// impl<T: ?Sized, U: ?Sized> Extend<Box<U>> for DynVec<T>
|
||||||
where
|
// where
|
||||||
Box<U>: CoerceUnsized<Box<T>>,
|
// Box<U>: CoerceUnsized<Box<T>>,
|
||||||
{
|
// {
|
||||||
fn extend<I: IntoIterator<Item = Box<U>>>(&mut self, iter: I) {
|
// fn extend<I: IntoIterator<Item = Box<U>>>(&mut self, iter: I) {
|
||||||
for item in iter {
|
// for item in iter {
|
||||||
// TODO: optmize
|
// // TODO: optmize
|
||||||
self.push_box(item);
|
// self.push_box(item);
|
||||||
}
|
// }
|
||||||
}
|
// }
|
||||||
}
|
// }
|
||||||
|
|
||||||
impl<T> Deref for DynVec<T> {
|
impl<T> Deref for DynVec<T> {
|
||||||
type Target = [T];
|
type Target = [T];
|
||||||
|
@ -183,8 +183,8 @@ impl<T> DerefMut for DynVec<T> {
|
||||||
unsafe impl<T: Send> Send for DynVec<T> {}
|
unsafe impl<T: Send> Send for DynVec<T> {}
|
||||||
unsafe impl<T: Sync> Sync for DynVec<T> {}
|
unsafe impl<T: Sync> Sync for DynVec<T> {}
|
||||||
|
|
||||||
impl<T> From<StdVec<T>> for DynVec<T> {
|
impl<T> From<Vec<T>> for DynVec<T> {
|
||||||
fn from(std_vec: StdVec<T>) -> Self {
|
fn from(std_vec: Vec<T>) -> Self {
|
||||||
let mut vec = Self::new();
|
let mut vec = Self::new();
|
||||||
let new_cap = (size_of::<T>() + size_of::<Extra<T>>()) * std_vec.len();
|
let new_cap = (size_of::<T>() + size_of::<Extra<T>>()) * std_vec.len();
|
||||||
unsafe {
|
unsafe {
|
||||||
|
@ -199,7 +199,7 @@ impl<T> From<StdVec<T>> for DynVec<T> {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<T> From<DynVec<T>> for StdVec<T> {
|
impl<T> From<DynVec<T>> for Vec<T> {
|
||||||
fn from(mut vec: DynVec<T>) -> Self {
|
fn from(mut vec: DynVec<T>) -> Self {
|
||||||
let mut std_vec = Self::with_capacity(vec.len);
|
let mut std_vec = Self::with_capacity(vec.len);
|
||||||
|
|
||||||
|
|
64
src/iter.rs
64
src/iter.rs
|
@ -1,6 +1,6 @@
|
||||||
//! Iteration.
|
//! Iteration.
|
||||||
|
|
||||||
use std::{marker::PhantomData, mem, ptr::NonNull};
|
use std::{marker::PhantomData, mem::ManuallyDrop, ptr::NonNull};
|
||||||
|
|
||||||
use crate::{ptr_ext::PtrExt, DynVec};
|
use crate::{ptr_ext::PtrExt, DynVec};
|
||||||
|
|
||||||
|
@ -13,7 +13,7 @@ unsafe impl<T: Send> Send for BaseIter<T> {}
|
||||||
unsafe impl<T: Sync> Sync for BaseIter<T> {}
|
unsafe impl<T: Sync> Sync for BaseIter<T> {}
|
||||||
|
|
||||||
impl<T: ?Sized> BaseIter<T> {
|
impl<T: ?Sized> BaseIter<T> {
|
||||||
fn new(vec: &DynVec<T>) -> Self {
|
pub(crate) fn new(vec: &DynVec<T>) -> Self {
|
||||||
Self {
|
Self {
|
||||||
ptr: vec.get_ptr_to_extra(vec.len).cast(),
|
ptr: vec.get_ptr_to_extra(vec.len).cast(),
|
||||||
ptr_back: vec.get_ptr_to_extra(0).cast(),
|
ptr_back: vec.get_ptr_to_extra(0).cast(),
|
||||||
|
@ -47,6 +47,16 @@ impl<T: ?Sized> DoubleEndedIterator for BaseIter<T> {
|
||||||
}
|
}
|
||||||
|
|
||||||
// By-ref iteration
|
// By-ref iteration
|
||||||
|
impl<T: ?Sized> DynVec<T> {
|
||||||
|
/// Iterates over the vector by-ref.
|
||||||
|
pub fn iter(&self) -> Iter<T> {
|
||||||
|
Iter {
|
||||||
|
base: BaseIter::new(self),
|
||||||
|
_phantom: PhantomData,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
impl<'a, T: ?Sized> IntoIterator for &'a DynVec<T> {
|
impl<'a, T: ?Sized> IntoIterator for &'a DynVec<T> {
|
||||||
type Item = &'a T;
|
type Item = &'a T;
|
||||||
|
|
||||||
|
@ -66,16 +76,6 @@ pub struct Iter<'a, T: ?Sized> {
|
||||||
unsafe impl<'a, T: Send> Send for Iter<'a, T> {}
|
unsafe impl<'a, T: Send> Send for Iter<'a, T> {}
|
||||||
unsafe impl<'a, T: Sync> Sync for Iter<'a, T> {}
|
unsafe impl<'a, T: Sync> Sync for Iter<'a, T> {}
|
||||||
|
|
||||||
impl<'a, T: ?Sized> Iter<'a, T> {
|
|
||||||
/// Creates a new by-ref iterator over a [`DynVec`]. usually seen as [`DynVec::iter`].
|
|
||||||
pub fn new(vec: &'a DynVec<T>) -> Self {
|
|
||||||
Self {
|
|
||||||
base: BaseIter::new(vec),
|
|
||||||
_phantom: PhantomData,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<'a, T: ?Sized> Iterator for Iter<'a, T> {
|
impl<'a, T: ?Sized> Iterator for Iter<'a, T> {
|
||||||
type Item = &'a T;
|
type Item = &'a T;
|
||||||
|
|
||||||
|
@ -91,6 +91,16 @@ impl<'a, T: ?Sized> DoubleEndedIterator for Iter<'a, T> {
|
||||||
}
|
}
|
||||||
|
|
||||||
// By-mut iteration
|
// By-mut iteration
|
||||||
|
impl<T: ?Sized> DynVec<T> {
|
||||||
|
/// Iterates over the vector by-mut.
|
||||||
|
pub fn iter_mut(&mut self) -> IterMut<T> {
|
||||||
|
IterMut {
|
||||||
|
base: BaseIter::new(self),
|
||||||
|
_phantom: PhantomData,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
impl<'a, T: ?Sized> IntoIterator for &'a mut DynVec<T> {
|
impl<'a, T: ?Sized> IntoIterator for &'a mut DynVec<T> {
|
||||||
type Item = &'a mut T;
|
type Item = &'a mut T;
|
||||||
|
|
||||||
|
@ -111,16 +121,6 @@ pub struct IterMut<'a, T: ?Sized> {
|
||||||
unsafe impl<'a, T: Send> Send for IterMut<'a, T> {}
|
unsafe impl<'a, T: Send> Send for IterMut<'a, T> {}
|
||||||
unsafe impl<'a, T: Sync> Sync for IterMut<'a, T> {}
|
unsafe impl<'a, T: Sync> Sync for IterMut<'a, T> {}
|
||||||
|
|
||||||
impl<'a, T: ?Sized> IterMut<'a, T> {
|
|
||||||
/// Creates a new by-mut iterator over a [`DynVec`]. usually seen as [`DynVec::iter_mut`].
|
|
||||||
pub fn new(vec: &'a mut DynVec<T>) -> Self {
|
|
||||||
Self {
|
|
||||||
base: BaseIter::new(vec),
|
|
||||||
_phantom: PhantomData,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<'a, T: ?Sized> Iterator for IterMut<'a, T> {
|
impl<'a, T: ?Sized> Iterator for IterMut<'a, T> {
|
||||||
type Item = &'a mut T;
|
type Item = &'a mut T;
|
||||||
|
|
||||||
|
@ -142,7 +142,12 @@ impl<T: ?Sized> IntoIterator for DynVec<T> {
|
||||||
type IntoIter = IntoIter<T>;
|
type IntoIter = IntoIter<T>;
|
||||||
|
|
||||||
fn into_iter(self) -> Self::IntoIter {
|
fn into_iter(self) -> Self::IntoIter {
|
||||||
IntoIter::new(self)
|
let this = ManuallyDrop::new(self);
|
||||||
|
IntoIter {
|
||||||
|
ptr: this.ptr,
|
||||||
|
capacity: this.capacity,
|
||||||
|
base: BaseIter::new(&this),
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -157,19 +162,6 @@ pub struct IntoIter<T: ?Sized> {
|
||||||
unsafe impl<T: Send> Send for IntoIter<T> {}
|
unsafe impl<T: Send> Send for IntoIter<T> {}
|
||||||
unsafe impl<T: Sync> Sync for IntoIter<T> {}
|
unsafe impl<T: Sync> Sync for IntoIter<T> {}
|
||||||
|
|
||||||
impl<T: ?Sized> IntoIter<T> {
|
|
||||||
/// Creates a new by-value iterator over a [`DynVec`]. usually seen as [`DynVec::into_iter`].
|
|
||||||
pub fn new(vec: DynVec<T>) -> Self {
|
|
||||||
let this = Self {
|
|
||||||
ptr: vec.ptr,
|
|
||||||
capacity: vec.capacity,
|
|
||||||
base: BaseIter::new(&vec),
|
|
||||||
};
|
|
||||||
mem::forget(vec);
|
|
||||||
this
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<T: ?Sized> Iterator for IntoIter<T> {
|
impl<T: ?Sized> Iterator for IntoIter<T> {
|
||||||
type Item = Box<T>;
|
type Item = Box<T>;
|
||||||
|
|
||||||
|
|
84
src/lib.rs
84
src/lib.rs
|
@ -1,4 +1,4 @@
|
||||||
//! # A [`Vec<T: ?Sized>`]
|
//! # A `Vec<T: ?Sized>`
|
||||||
//!
|
//!
|
||||||
//! [`DynVec`], a dynamic length collection of unsized elements, akin to [`std::vec::Vec`].
|
//! [`DynVec`], a dynamic length collection of unsized elements, akin to [`std::vec::Vec`].
|
||||||
//!
|
//!
|
||||||
|
@ -8,7 +8,7 @@
|
||||||
//!
|
//!
|
||||||
//! ```
|
//! ```
|
||||||
//! # use std::fmt::Debug;
|
//! # use std::fmt::Debug;
|
||||||
//! # use dyn_vec::prelude::*;
|
//! # use dyn_vec::DynVec;
|
||||||
//! let vec: DynVec<dyn Debug> = DynVec::new();
|
//! let vec: DynVec<dyn Debug> = DynVec::new();
|
||||||
//! # assert_eq!(format!("{:?}", vec), "[]");
|
//! # assert_eq!(format!("{:?}", vec), "[]");
|
||||||
//! ```
|
//! ```
|
||||||
|
@ -16,7 +16,7 @@
|
||||||
//! or with the [`dyn_vec!`] macro:
|
//! or with the [`dyn_vec!`] macro:
|
||||||
//!
|
//!
|
||||||
//! ```
|
//! ```
|
||||||
//! # use dyn_vec::prelude::*;
|
//! # use dyn_vec::{dyn_vec, DynVec};
|
||||||
//! # use std::fmt::Debug;
|
//! # use std::fmt::Debug;
|
||||||
//! let vec: DynVec<i32> = dyn_vec![1, 2, 3];
|
//! let vec: DynVec<i32> = dyn_vec![1, 2, 3];
|
||||||
//! // check the docs for `dyn_vec!` for more info on this syntax
|
//! // check the docs for `dyn_vec!` for more info on this syntax
|
||||||
|
@ -36,7 +36,7 @@
|
||||||
//! A vector can be pushed to with [`DynVec::push`]:
|
//! A vector can be pushed to with [`DynVec::push`]:
|
||||||
//!
|
//!
|
||||||
//! ```
|
//! ```
|
||||||
//! # use dyn_vec::prelude::*;
|
//! # use dyn_vec::{dyn_vec, DynVec};
|
||||||
//! let mut vec: DynVec<i32> = dyn_vec![];
|
//! let mut vec: DynVec<i32> = dyn_vec![];
|
||||||
//! vec.push(1);
|
//! vec.push(1);
|
||||||
//! vec.push(2);
|
//! vec.push(2);
|
||||||
|
@ -44,10 +44,10 @@
|
||||||
//! # assert_eq!(format!("{:?}", vec), "[1, 2, 3]");
|
//! # assert_eq!(format!("{:?}", vec), "[1, 2, 3]");
|
||||||
//! ```
|
//! ```
|
||||||
//!
|
//!
|
||||||
//! ...and with [`push_box`] and [`push_unsize`] ([`push_unsize_stable`] without the `"unstable"` feature):
|
//! ...and with [`push_box`] and [`push_unsize`] ([`push_unsize_stable`] without the `"unstable"`feature):
|
||||||
//!
|
//!
|
||||||
//! ```
|
//! ```
|
||||||
//! # use dyn_vec::prelude::*;
|
//! # use dyn_vec::{dyn_vec, DynVec};
|
||||||
//! # use std::fmt::Debug;
|
//! # use std::fmt::Debug;
|
||||||
//! let mut vec: DynVec<dyn Debug> = dyn_vec![];
|
//! let mut vec: DynVec<dyn Debug> = dyn_vec![];
|
||||||
//! vec.push_box(Box::new(1));
|
//! vec.push_box(Box::new(1));
|
||||||
|
@ -64,7 +64,7 @@
|
||||||
//! Finally, a vector can be [`unsize`]d to another vector ([`unsize_stable`] on stable):
|
//! Finally, a vector can be [`unsize`]d to another vector ([`unsize_stable`] on stable):
|
||||||
//!
|
//!
|
||||||
//! ```
|
//! ```
|
||||||
//! # use dyn_vec::prelude::*;
|
//! # use dyn_vec::{dyn_vec, DynVec};
|
||||||
//! # use std::fmt::Debug;
|
//! # use std::fmt::Debug;
|
||||||
//! let vec: DynVec<i32> = dyn_vec![1, 2, 3];
|
//! let vec: DynVec<i32> = dyn_vec![1, 2, 3];
|
||||||
//! // vec.push_unsize_stable("foo", |v| v as _); // not yet...
|
//! // vec.push_unsize_stable("foo", |v| v as _); // not yet...
|
||||||
|
@ -77,20 +77,20 @@
|
||||||
//!
|
//!
|
||||||
//! # Stability
|
//! # Stability
|
||||||
//!
|
//!
|
||||||
//! This crate is currently stable, but lacks some functionality. To enable this functionality, use the `"unstable"` crate feature, which depends on the following nightly features:
|
//! This crate is currently stable, but lacks some functionality. To enable this functionality, use
|
||||||
//! - [`#![feature(coerce_unsized)]`](https://github.com/rust-lang/rust/issues/27732)
|
//! the `"unstable"` crate feature, which depends on the following nightly features:
|
||||||
|
//! - [`#![feature(coerce_unsized)]`](https://github.com/rust-lang/rust/issues/18598)
|
||||||
//!
|
//!
|
||||||
//! and enables the following functionality (note: these links are probably broken):
|
//! and enables the following functionality:
|
||||||
//! - [`DynVec::push_unsize`]
|
//! - [`DynVec::push_unsize`]
|
||||||
//! - [`DynVec::unsize`]
|
//! - [`DynVec::unsize`]
|
||||||
//! - [`DynVec::extend_unsize`]
|
//! - [`DynVec::extend_unsize`]
|
||||||
//!
|
//!
|
||||||
//! In addition, the `"unstable"` feature also enables dependance on the following nightly features:
|
//! In addition, the `"unstable"` feature also enables dependence on the following nightly features
|
||||||
|
//! in order to conform to [strict provenance](https://github.com/rust-lang/rust/issues/95228):
|
||||||
//! - [`#![feature(set_ptr_value)]`](https://github.com/rust-lang/rust/issues/75091)
|
//! - [`#![feature(set_ptr_value)]`](https://github.com/rust-lang/rust/issues/75091)
|
||||||
//! - [`#![feature(pointer_byte_offsets)]`](https://github.com/rust-lang/rust/issues/96283)
|
//! - [`#![feature(pointer_byte_offsets)]`](https://github.com/rust-lang/rust/issues/96283)
|
||||||
//!
|
//!
|
||||||
//! in order to conform to [strict provenance](https://github.com/rust-lang/rust/issues/95228).
|
|
||||||
//!
|
|
||||||
//! # Data Layout
|
//! # Data Layout
|
||||||
//!
|
//!
|
||||||
//! ```text
|
//! ```text
|
||||||
|
@ -111,7 +111,7 @@
|
||||||
//! │ │ └──────────────────────────────────────────┘ │ │
|
//! │ │ └──────────────────────────────────────────┘ │ │
|
||||||
//! │ └─────────────────────────────────────────────────────────┘ │
|
//! │ └─────────────────────────────────────────────────────────┘ │
|
||||||
//! │ │
|
//! │ │
|
||||||
//! └─ aligned to align_of::<*const T>() also aligned to *const T ─┘
|
//! └─────────────── aligned to align_of::<*const T>() ──────────────┘
|
||||||
//! ```
|
//! ```
|
||||||
//!
|
//!
|
||||||
//! [`DynVec<T: ?Sized>`]: DynVec
|
//! [`DynVec<T: ?Sized>`]: DynVec
|
||||||
|
@ -130,6 +130,7 @@
|
||||||
feature(set_ptr_value),
|
feature(set_ptr_value),
|
||||||
feature(pointer_byte_offsets)
|
feature(pointer_byte_offsets)
|
||||||
)]
|
)]
|
||||||
|
#![cfg_attr(doc, feature(doc_cfg))]
|
||||||
#![warn(missing_docs)]
|
#![warn(missing_docs)]
|
||||||
#![warn(clippy::pedantic)]
|
#![warn(clippy::pedantic)]
|
||||||
#![warn(clippy::nursery)]
|
#![warn(clippy::nursery)]
|
||||||
|
@ -150,12 +151,6 @@ use ptr_ext::{ConstPtrExt, MutPtrExt, PtrExt};
|
||||||
|
|
||||||
pub use iter::*;
|
pub use iter::*;
|
||||||
|
|
||||||
// TODO: maybe remove this? Its not that many imports
|
|
||||||
/// Prelude, suitable for glob imports.
|
|
||||||
pub mod prelude {
|
|
||||||
pub use super::{dyn_vec, DynVec};
|
|
||||||
}
|
|
||||||
|
|
||||||
use core::panic;
|
use core::panic;
|
||||||
use std::{
|
use std::{
|
||||||
alloc::{alloc, dealloc, handle_alloc_error, Layout},
|
alloc::{alloc, dealloc, handle_alloc_error, Layout},
|
||||||
|
@ -167,7 +162,7 @@ use std::{
|
||||||
slice,
|
slice,
|
||||||
};
|
};
|
||||||
|
|
||||||
#[cfg(feature = "unstable")]
|
#[cfg(any(doc, feature = "unstable"))]
|
||||||
use std::ops::CoerceUnsized;
|
use std::ops::CoerceUnsized;
|
||||||
|
|
||||||
type Coercer<T, U> = for<'a> fn(&'a T) -> &'a U;
|
type Coercer<T, U> = for<'a> fn(&'a T) -> &'a U;
|
||||||
|
@ -225,7 +220,7 @@ impl<T: ?Sized> DynVec<T> {
|
||||||
Self::with_capacity_for::<T>(cap)
|
Self::with_capacity_for::<T>(cap)
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Creates a new vector with the given capacity, measured in bytes.\
|
/// Creates a new vector with the given capacity, measured in bytes.
|
||||||
pub fn with_capacity_bytes(cap: usize) -> Self {
|
pub fn with_capacity_bytes(cap: usize) -> Self {
|
||||||
let mut vec = Self::new();
|
let mut vec = Self::new();
|
||||||
unsafe {
|
unsafe {
|
||||||
|
@ -295,7 +290,7 @@ impl<T: ?Sized> DynVec<T> {
|
||||||
unsafe { self.push_raw(&*ManuallyDrop::new(v)) }
|
unsafe { self.push_raw(&*ManuallyDrop::new(v)) }
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Appends an (possibly unsized) boxed element to the end of the vector.
|
/// Appends a (possibly unsized) boxed element to the end of the vector.
|
||||||
pub fn push_box(&mut self, v: Box<T>) {
|
pub fn push_box(&mut self, v: Box<T>) {
|
||||||
let ptr = Box::into_raw(v);
|
let ptr = Box::into_raw(v);
|
||||||
unsafe {
|
unsafe {
|
||||||
|
@ -306,7 +301,8 @@ impl<T: ?Sized> DynVec<T> {
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Appends a sized element of type `U` to the end of the vector, given that it can be `CoerceUnsized` to a `T`.
|
/// Appends a sized element of type `U` to the end of the vector, given that it can be `CoerceUnsized` to a `T`.
|
||||||
#[cfg(feature = "unstable")]
|
#[cfg(any(doc, feature = "unstable"))]
|
||||||
|
#[cfg_attr(doc, doc(cfg(feature = "unstable")))]
|
||||||
pub fn push_unsize<U>(&mut self, v: U)
|
pub fn push_unsize<U>(&mut self, v: U)
|
||||||
where
|
where
|
||||||
for<'a> &'a U: CoerceUnsized<&'a T>,
|
for<'a> &'a U: CoerceUnsized<&'a T>,
|
||||||
|
@ -511,7 +507,7 @@ impl<T: ?Sized> DynVec<T> {
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Returns a mutable pointer to the end of the last element of the vector.
|
/// Returns a mutable pointer to the end of the last element of the vector.
|
||||||
pub fn as_end_ptr_mut(&mut self) -> *const u8 {
|
pub fn as_end_ptr_mut(&mut self) -> *mut u8 {
|
||||||
self.end_ptr.as_ptr()
|
self.end_ptr.as_ptr()
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -522,18 +518,9 @@ impl<T: ?Sized> DynVec<T> {
|
||||||
self.as_end_ptr() as usize - self.as_ptr() as usize
|
self.as_end_ptr() as usize - self.as_ptr() as usize
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Iterates over the vector by-ref.
|
|
||||||
pub fn iter(&self) -> Iter<T> {
|
|
||||||
Iter::new(self)
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Iterates over the vector by-mut.
|
|
||||||
pub fn iter_mut(&mut self) -> IterMut<T> {
|
|
||||||
IterMut::new(self)
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Converts a `DynVec<T: Sized>` into a `DynVec<U: ?Sized>`, given that `T` can be `CoerceUnsized` into `U`.
|
/// Converts a `DynVec<T: Sized>` into a `DynVec<U: ?Sized>`, given that `T` can be `CoerceUnsized` into `U`.
|
||||||
#[cfg(feature = "unstable")]
|
#[cfg(any(doc, feature = "unstable"))]
|
||||||
|
#[cfg_attr(doc, doc(cfg(feature = "unstable")))]
|
||||||
pub fn unsize<U: ?Sized>(self) -> DynVec<U>
|
pub fn unsize<U: ?Sized>(self) -> DynVec<U>
|
||||||
where
|
where
|
||||||
for<'a> &'a T: CoerceUnsized<&'a U>,
|
for<'a> &'a T: CoerceUnsized<&'a U>,
|
||||||
|
@ -599,7 +586,8 @@ impl<T: ?Sized> DynVec<T> {
|
||||||
/// Extends this vector with an iterator.
|
/// Extends this vector with an iterator.
|
||||||
///
|
///
|
||||||
/// Similar to [`Extend::extend`], but seperate to prevent conflicting implementations.
|
/// Similar to [`Extend::extend`], but seperate to prevent conflicting implementations.
|
||||||
#[cfg(feature = "unstable")]
|
#[cfg(any(doc, feature = "unstable"))]
|
||||||
|
#[cfg_attr(doc, doc(cfg(feature = "unstable")))]
|
||||||
pub fn extend_unsize<U, I: IntoIterator<Item = U>>(&mut self, iter: I)
|
pub fn extend_unsize<U, I: IntoIterator<Item = U>>(&mut self, iter: I)
|
||||||
where
|
where
|
||||||
for<'a> &'a U: CoerceUnsized<&'a T>,
|
for<'a> &'a U: CoerceUnsized<&'a T>,
|
||||||
|
@ -750,13 +738,12 @@ impl<T: ?Sized> Index<usize> for DynVec<T> {
|
||||||
|
|
||||||
#[track_caller]
|
#[track_caller]
|
||||||
fn index(&self, index: usize) -> &Self::Output {
|
fn index(&self, index: usize) -> &Self::Output {
|
||||||
match self.get(index) {
|
self.get(index).unwrap_or_else(|| {
|
||||||
Some(v) => v,
|
panic!(
|
||||||
None => panic!(
|
|
||||||
"index out of bounds: the len is {} but the index is {}",
|
"index out of bounds: the len is {} but the index is {}",
|
||||||
self.len, index
|
self.len, index
|
||||||
),
|
)
|
||||||
}
|
})
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -764,13 +751,12 @@ impl<T: ?Sized> IndexMut<usize> for DynVec<T> {
|
||||||
#[track_caller]
|
#[track_caller]
|
||||||
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
|
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
|
||||||
let len = self.len;
|
let len = self.len;
|
||||||
match self.get_mut(index) {
|
self.get_mut(index).unwrap_or_else(|| {
|
||||||
Some(v) => v,
|
panic!(
|
||||||
None => panic!(
|
|
||||||
"index out of bounds: the len is {} but the index is {}",
|
"index out of bounds: the len is {} but the index is {}",
|
||||||
len, index
|
len, index
|
||||||
),
|
)
|
||||||
}
|
})
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -779,7 +765,7 @@ impl<T: ?Sized> IndexMut<usize> for DynVec<T> {
|
||||||
/// # Examples
|
/// # Examples
|
||||||
///
|
///
|
||||||
/// ```
|
/// ```
|
||||||
/// # use dyn_vec::prelude::*;
|
/// # use dyn_vec::{dyn_vec, DynVec};
|
||||||
/// # use std::fmt::Debug;
|
/// # use std::fmt::Debug;
|
||||||
/// let vec1: DynVec<i32> = dyn_vec![1, 2, 3];
|
/// let vec1: DynVec<i32> = dyn_vec![1, 2, 3];
|
||||||
/// let vec2: DynVec<dyn Debug> = dyn_vec![box:
|
/// let vec2: DynVec<dyn Debug> = dyn_vec![box:
|
||||||
|
@ -801,7 +787,7 @@ macro_rules! dyn_vec {
|
||||||
}};
|
}};
|
||||||
(unsized: $($elem:expr),+ $(,)?) => {{
|
(unsized: $($elem:expr),+ $(,)?) => {{
|
||||||
let mut vec = $crate::DynVec::new();
|
let mut vec = $crate::DynVec::new();
|
||||||
// TODO: when stuff stabalizes change this
|
// TODO: when stuff stabilizes change this
|
||||||
$(vec.push_unsize_stable($elem, |v| v as _);)+
|
$(vec.push_unsize_stable($elem, |v| v as _);)+
|
||||||
vec
|
vec
|
||||||
}};
|
}};
|
||||||
|
|
|
@ -62,7 +62,6 @@ impl<T: ?Sized> PtrExt for *const T {
|
||||||
#[cfg(not(feature = "unstable"))]
|
#[cfg(not(feature = "unstable"))]
|
||||||
{
|
{
|
||||||
let mut this = self;
|
let mut this = self;
|
||||||
// TODO: aaaaand this is cheating. sorry yall, cant do this until `set_ptr_value` lands
|
|
||||||
unsafe { *addr_of_mut!(this).cast() = addr }
|
unsafe { *addr_of_mut!(this).cast() = addr }
|
||||||
this
|
this
|
||||||
}
|
}
|
||||||
|
@ -121,7 +120,6 @@ impl<T: ?Sized> PtrExt for *mut T {
|
||||||
#[cfg(not(feature = "unstable"))]
|
#[cfg(not(feature = "unstable"))]
|
||||||
{
|
{
|
||||||
let mut this = self;
|
let mut this = self;
|
||||||
// TODO: aaaaand this is cheating. sorry yall, cant do this until `set_ptr_value` lands
|
|
||||||
unsafe { *addr_of_mut!(this).cast() = addr }
|
unsafe { *addr_of_mut!(this).cast() = addr }
|
||||||
this
|
this
|
||||||
}
|
}
|
||||||
|
|
14
src/test.rs
14
src/test.rs
|
@ -1,8 +1,18 @@
|
||||||
//! Always use `cargo miri test --all-features`, and never just `cargo test`.
|
//! Always use `cargo miri test --all-features`, and never just `cargo test`.
|
||||||
|
|
||||||
|
#[cfg(all(miri, not(feature = "unstable")))]
|
||||||
|
#[test]
|
||||||
|
#[allow(warnings)]
|
||||||
|
fn aaaaaaaaaa_first_alphabetical() {
|
||||||
|
let you_should_specify_dash_dash_all_features = std::ptr::null::<()>();
|
||||||
|
unsafe {
|
||||||
|
*you_should_specify_dash_dash_all_features;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
use rand::{thread_rng, Rng};
|
use rand::{thread_rng, Rng};
|
||||||
|
|
||||||
use super::prelude::*;
|
use super::{dyn_vec, DynVec};
|
||||||
use std::{
|
use std::{
|
||||||
any::Any,
|
any::Any,
|
||||||
fmt::Debug,
|
fmt::Debug,
|
||||||
|
@ -11,7 +21,7 @@ use std::{
|
||||||
|
|
||||||
trait DebugExt: Debug {
|
trait DebugExt: Debug {
|
||||||
fn debug(&self) -> String {
|
fn debug(&self) -> String {
|
||||||
format!("{:?}", self)
|
format!("{self:?}")
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue