rune_alloc/alloc/
mod.rs

Help
1//! Allocated types.
2
3pub use self::allocator::Allocator;
4mod allocator;
5
6pub use self::global::Global;
7mod global;
8
9use core::alloc::Layout;
10use core::convert::Infallible;
11use core::fmt;
12
13use crate::error::{CustomError, Error};
14
15/// Error raised while allocating.
16#[derive(Debug, Clone, Copy, PartialEq, Eq)]
17pub struct AllocError {
18    pub(crate) layout: Layout,
19}
20
21impl fmt::Display for AllocError {
22    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
23        write!(
24            f,
25            "Failed to allocate {} bytes of memory",
26            self.layout.size()
27        )
28    }
29}
30
31impl core::error::Error for AllocError {}
32
33pub(crate) trait SizedTypeProperties: Sized {
34    const IS_ZST: bool = core::mem::size_of::<Self>() == 0;
35    const NEEDS_DROP: bool = core::mem::needs_drop::<Self>();
36}
37
38impl<T> SizedTypeProperties for T {}
39
40#[inline(always)]
41pub(crate) fn into_ok<T>(result: Result<T, Infallible>) -> T {
42    match result {
43        Ok(value) => value,
44        #[allow(unreachable_patterns)]
45        Err(error) => match error {},
46    }
47}
48
49#[inline(always)]
50pub(crate) fn into_ok_try<T>(result: Result<T, CustomError<Infallible>>) -> Result<T, Error> {
51    match result {
52        Ok(value) => Ok(value),
53        Err(error) => match error {
54            CustomError::Error(error) => Err(error),
55            #[allow(unreachable_patterns)]
56            CustomError::Custom(error) => match error {},
57        },
58    }
59}
rune_alloc/alloc/mod.rs

rune_alloc/alloc/
mod.rs
