1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub mod alloc;
pub mod hash_map;
pub mod hash_set;
mod shim;
mod table;
pub mod fake;
use std::{error, fmt};
trait Recover<Q: ?Sized> {
type Key;
fn get(&self, key: &Q) -> Option<&Self::Key>;
fn take(&mut self, key: &Q) -> Option<Self::Key>;
fn replace(&mut self, key: Self::Key) -> Option<Self::Key>;
}
#[derive(Debug)]
pub struct AllocationInfo {
/// The size we are requesting.
size: usize,
/// The alignment we are requesting.
alignment: usize,
}
#[derive(Debug)]
pub struct FailedAllocationError {
reason: &'static str,
/// The allocation info we are requesting, if needed.
allocation_info: Option<AllocationInfo>,
}
impl FailedAllocationError {
#[inline]
pub fn new(reason: &'static str) -> Self {
Self {
reason,
allocation_info: None,
}
}
}
impl error::Error for FailedAllocationError {
fn description(&self) -> &str {
self.reason
}
}
impl fmt::Display for FailedAllocationError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.allocation_info {
Some(ref info) => write!(
f,
"{}, allocation: (size: {}, alignment: {})",
self.reason, info.size, info.alignment
),
None => self.reason.fmt(f),
}
}
}
|
