/rust/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.39/src/ptr.rs
Line | Count | Source |
1 | | use crate::alloc::Box; |
2 | | use core::marker::PhantomData; |
3 | | use core::ptr::NonNull; |
4 | | |
5 | | #[repr(transparent)] |
6 | | pub struct Own<T> { |
7 | | pub ptr: NonNull<T>, |
8 | | } |
9 | | |
10 | | unsafe impl<T> Send for Own<T> {} |
11 | | unsafe impl<T> Sync for Own<T> {} |
12 | | impl<T> Copy for Own<T> {} |
13 | | impl<T> Clone for Own<T> { |
14 | | fn clone(&self) -> Self { |
15 | | *self |
16 | | } |
17 | | } |
18 | | |
19 | | impl<T> Own<T> { |
20 | 44.4k | pub fn new(ptr: Box<T>) -> Self { |
21 | 44.4k | Own { |
22 | 44.4k | ptr: unsafe { NonNull::new_unchecked(Box::into_raw(ptr)) }, |
23 | 44.4k | } |
24 | 44.4k | } <anyhow::ptr::Own<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<&str>>>>::new Line | Count | Source | 20 | 663 | pub fn new(ptr: Box<T>) -> Self { | 21 | 663 | Own { | 22 | 663 | ptr: unsafe { NonNull::new_unchecked(Box::into_raw(ptr)) }, | 23 | 663 | } | 24 | 663 | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<wasmparser::primitives::BinaryReaderError>>>::new Line | Count | Source | 20 | 42.8k | pub fn new(ptr: Box<T>) -> Self { | 21 | 42.8k | Own { | 22 | 42.8k | ptr: unsafe { NonNull::new_unchecked(Box::into_raw(ptr)) }, | 23 | 42.8k | } | 24 | 42.8k | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<alloc::string::String>>>>::new Line | Count | Source | 20 | 950 | pub fn new(ptr: Box<T>) -> Self { | 21 | 950 | Own { | 22 | 950 | ptr: unsafe { NonNull::new_unchecked(Box::into_raw(ptr)) }, | 23 | 950 | } | 24 | 950 | } |
|
25 | | |
26 | 88.9k | pub fn cast<U: CastTo>(self) -> Own<U::Target> { |
27 | 88.9k | Own { |
28 | 88.9k | ptr: self.ptr.cast(), |
29 | 88.9k | } |
30 | 88.9k | } <anyhow::ptr::Own<anyhow::error::ErrorImpl>>::cast::<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<&str>>> Line | Count | Source | 26 | 663 | pub fn cast<U: CastTo>(self) -> Own<U::Target> { | 27 | 663 | Own { | 28 | 663 | ptr: self.ptr.cast(), | 29 | 663 | } | 30 | 663 | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<&str>>>>::cast::<anyhow::error::ErrorImpl> Line | Count | Source | 26 | 663 | pub fn cast<U: CastTo>(self) -> Own<U::Target> { | 27 | 663 | Own { | 28 | 663 | ptr: self.ptr.cast(), | 29 | 663 | } | 30 | 663 | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl>>::cast::<anyhow::error::ErrorImpl<wasmparser::primitives::BinaryReaderError>> Line | Count | Source | 26 | 42.8k | pub fn cast<U: CastTo>(self) -> Own<U::Target> { | 27 | 42.8k | Own { | 28 | 42.8k | ptr: self.ptr.cast(), | 29 | 42.8k | } | 30 | 42.8k | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<wasmparser::primitives::BinaryReaderError>>>::cast::<anyhow::error::ErrorImpl> Line | Count | Source | 26 | 42.8k | pub fn cast<U: CastTo>(self) -> Own<U::Target> { | 27 | 42.8k | Own { | 28 | 42.8k | ptr: self.ptr.cast(), | 29 | 42.8k | } | 30 | 42.8k | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl>>::cast::<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<alloc::string::String>>> Line | Count | Source | 26 | 950 | pub fn cast<U: CastTo>(self) -> Own<U::Target> { | 27 | 950 | Own { | 28 | 950 | ptr: self.ptr.cast(), | 29 | 950 | } | 30 | 950 | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<alloc::string::String>>>>::cast::<anyhow::error::ErrorImpl> Line | Count | Source | 26 | 950 | pub fn cast<U: CastTo>(self) -> Own<U::Target> { | 27 | 950 | Own { | 28 | 950 | ptr: self.ptr.cast(), | 29 | 950 | } | 30 | 950 | } |
|
31 | | |
32 | 44.4k | pub unsafe fn boxed(self) -> Box<T> { |
33 | 44.4k | Box::from_raw(self.ptr.as_ptr()) |
34 | 44.4k | } <anyhow::ptr::Own<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<alloc::string::String>>>>::boxed Line | Count | Source | 32 | 950 | pub unsafe fn boxed(self) -> Box<T> { | 33 | 950 | Box::from_raw(self.ptr.as_ptr()) | 34 | 950 | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<wasmparser::primitives::BinaryReaderError>>>::boxed Line | Count | Source | 32 | 42.8k | pub unsafe fn boxed(self) -> Box<T> { | 33 | 42.8k | Box::from_raw(self.ptr.as_ptr()) | 34 | 42.8k | } |
<anyhow::ptr::Own<anyhow::error::ErrorImpl<anyhow::wrapper::MessageError<&str>>>>::boxed Line | Count | Source | 32 | 663 | pub unsafe fn boxed(self) -> Box<T> { | 33 | 663 | Box::from_raw(self.ptr.as_ptr()) | 34 | 663 | } |
|
35 | | |
36 | | pub fn by_ref(&self) -> Ref<T> { |
37 | | Ref { |
38 | | ptr: self.ptr, |
39 | | lifetime: PhantomData, |
40 | | } |
41 | | } |
42 | | |
43 | | pub fn by_mut(&mut self) -> Mut<T> { |
44 | | Mut { |
45 | | ptr: self.ptr, |
46 | | lifetime: PhantomData, |
47 | | } |
48 | | } |
49 | | } |
50 | | |
51 | | #[repr(transparent)] |
52 | | pub struct Ref<'a, T> { |
53 | | pub ptr: NonNull<T>, |
54 | | lifetime: PhantomData<&'a T>, |
55 | | } |
56 | | |
57 | | impl<'a, T> Copy for Ref<'a, T> {} |
58 | | impl<'a, T> Clone for Ref<'a, T> { |
59 | | fn clone(&self) -> Self { |
60 | | *self |
61 | | } |
62 | | } |
63 | | |
64 | | impl<'a, T> Ref<'a, T> { |
65 | | pub fn new(ptr: &'a T) -> Self { |
66 | | Ref { |
67 | | ptr: NonNull::from(ptr), |
68 | | lifetime: PhantomData, |
69 | | } |
70 | | } |
71 | | |
72 | | pub fn cast<U: CastTo>(self) -> Ref<'a, U::Target> { |
73 | | Ref { |
74 | | ptr: self.ptr.cast(), |
75 | | lifetime: PhantomData, |
76 | | } |
77 | | } |
78 | | |
79 | | pub unsafe fn deref(self) -> &'a T { |
80 | | &*self.ptr.as_ptr() |
81 | | } |
82 | | } |
83 | | |
84 | | #[repr(transparent)] |
85 | | pub struct Mut<'a, T> { |
86 | | pub ptr: NonNull<T>, |
87 | | lifetime: PhantomData<&'a mut T>, |
88 | | } |
89 | | |
90 | | impl<'a, T> Copy for Mut<'a, T> {} |
91 | | impl<'a, T> Clone for Mut<'a, T> { |
92 | | fn clone(&self) -> Self { |
93 | | *self |
94 | | } |
95 | | } |
96 | | |
97 | | impl<'a, T> Mut<'a, T> { |
98 | | pub fn new(ptr: &'a mut T) -> Self { |
99 | | Mut { |
100 | | ptr: NonNull::from(ptr), |
101 | | lifetime: PhantomData, |
102 | | } |
103 | | } |
104 | | |
105 | | pub fn cast<U: CastTo>(self) -> Mut<'a, U::Target> { |
106 | | Mut { |
107 | | ptr: self.ptr.cast(), |
108 | | lifetime: PhantomData, |
109 | | } |
110 | | } |
111 | | |
112 | | pub fn extend<'b>(self) -> Mut<'b, T> { |
113 | | Mut { |
114 | | ptr: self.ptr, |
115 | | lifetime: PhantomData, |
116 | | } |
117 | | } |
118 | | |
119 | | pub unsafe fn deref_mut(self) -> &'a mut T { |
120 | | &mut *self.ptr.as_ptr() |
121 | | } |
122 | | |
123 | | pub unsafe fn read(self) -> T { |
124 | | self.ptr.as_ptr().read() |
125 | | } |
126 | | } |
127 | | |
128 | | // Force turbofish on all calls of `.cast::<U>()`. |
129 | | pub trait CastTo { |
130 | | type Target; |
131 | | } |
132 | | |
133 | | impl<T> CastTo for T { |
134 | | type Target = T; |
135 | | } |