#![doc(html_root_url = "https://docs.rs/odds/0.2/")]
#![cfg_attr(feature="unstable", feature(unboxed_closures, fn_traits))]
#![cfg_attr(not(feature = "std"), no_std)]
#[cfg(not(feature = "std"))]
extern crate core as std;
extern crate rawslice;
extern crate rawpointer;
extern crate unchecked_index;
mod range;
#[path = "fix.rs"]
mod fix_impl;
pub mod char;
pub mod string;
pub mod vec;
pub mod slice;
pub mod stride;
pub use fix_impl::Fix;
pub use fix_impl::fix;
pub use range::IndexRange;
use std::mem;
pub mod prelude {
pub use slice::SliceFind;
pub use slice::SliceIterExt;
pub use string::StrExt;
pub use string::StrChunksWindows;
#[cfg(feature = "std-string")]
pub use string::StringExt;
#[cfg(feature = "std-vec")]
pub use vec::{vec, VecExt};
#[doc(no_inline)]
pub use IndexRange;
#[doc(no_inline)]
pub use fix;
}
#[deprecated(note="use std::ptr::eq")]
#[allow(deprecated)]
#[inline]
pub fn ref_eq<T>(a: &T, b: &T) -> bool {
ptr_eq(a, b)
}
#[deprecated(note="use std::ptr::eq")]
#[inline]
pub fn ptr_eq<T>(a: *const T, b: *const T) -> bool {
a == b
}
#[inline]
pub unsafe fn raw_byte_repr<T: ?Sized>(ptr: &T) -> &[u8] {
std::slice::from_raw_parts(
ptr as *const _ as *const u8,
mem::size_of_val(ptr),
)
}
#[inline]
#[deprecated(note="use unchecked-index crate")]
pub unsafe fn get_unchecked<T>(data: &[T], index: usize) -> &T {
::unchecked_index::get_unchecked(data, index)
}
#[inline]
#[deprecated(note="use unchecked-index crate")]
pub unsafe fn get_unchecked_mut<T>(data: &mut [T], index: usize) -> &mut T {
::unchecked_index::get_unchecked_mut(data, index)
}
#[inline(always)]
unsafe fn unreachable() -> ! {
enum Void { }
match *(1 as *const Void) {
}
}
#[inline(always)]
pub unsafe fn debug_assert_unreachable() -> ! {
debug_assert!(false, "Entered unreachable section, this is a bug!");
unreachable()
}
#[inline]
#[deprecated(note="use unchecked-index crate")]
pub unsafe fn slice_unchecked<T>(data: &[T], from: usize, to: usize) -> &[T] {
::unchecked_index::get_unchecked(data, from..to)
}
#[inline]
#[deprecated(note="use unchecked-index crate")]
pub unsafe fn slice_unchecked_mut<T>(data: &mut [T], from: usize, to: usize) -> &mut [T] {
::unchecked_index::get_unchecked_mut(data, from..to)
}
pub fn ref_slice<T>(ptr: &T) -> &[T] {
unsafe {
std::slice::from_raw_parts(ptr, 1)
}
}
pub fn ref_slice_mut<T>(ptr: &mut T) -> &mut [T] {
unsafe {
std::slice::from_raw_parts_mut(ptr, 1)
}
}
#[test]
fn test_repr() {
unsafe {
assert_eq!(raw_byte_repr(&17u8), &[17]);
assert_eq!(raw_byte_repr("abc"), "abc".as_bytes());
}
}
#[test]
#[allow(deprecated)]
#[should_panic]
fn test_get_unchecked_1() {
if cfg!(not(debug_assertions)) {
panic!();
}
unsafe {
get_unchecked(&[1, 2, 3], 3);
}
}
#[test]
#[allow(deprecated)]
#[should_panic]
fn test_slice_unchecked_1() {
if cfg!(not(debug_assertions)) {
panic!();
}
unsafe {
slice_unchecked(&[1, 2, 3], 0, 4);
}
}
#[test]
#[allow(deprecated)]
#[should_panic]
fn test_slice_unchecked_2() {
if cfg!(not(debug_assertions)) {
panic!();
}
unsafe {
slice_unchecked(&[1, 2, 3], 4, 4);
}
}
#[test]
#[allow(deprecated)]
fn test_slice_unchecked_3() {
let data = [1, 2, 3, 4];
let sl = &data[0..0];
if cfg!(debug_assertions) {
} else {
unsafe {
assert_eq!(slice_unchecked(sl, 0, 4), &[1, 2, 3, 4]);
}
}
}