typemap_ors/
internals.rs

1use std::any::Any;
2use std::fmt::Debug;
3use uany::{UnsafeAny, UnsafeAnyExt};
4
5/// A marker trait meant for use as the `A` parameter in `TypeMap`.
6///
7/// This can be used to construct `TypeMap`s containing only types which
8/// implement `Debug` like so: `TypeMap::<DebugAny>::custom()`, which produces
9/// a `TypeMap<DebugAny>`. Combine `DebugAny` with `Send` or `Sync` to add
10/// additional bounds.
11///
12/// There is also an exported alias for this type of `TypeMap`, `DebugMap`.
13pub trait DebugAny: Any + Debug {}
14impl<T: Any + Debug> DebugAny for T {}
15
16unsafe impl UnsafeAnyExt for dyn DebugAny {}
17unsafe impl UnsafeAnyExt for dyn DebugAny + Send {}
18unsafe impl UnsafeAnyExt for dyn DebugAny + Sync {}
19unsafe impl UnsafeAnyExt for dyn DebugAny + Send + Sync {}
20
21/// A marker trait meant for use as the `A` parameter in `TypeMap`.
22///
23/// This can be used to construct `TypeMap`s containing only types which
24/// implement `Clone` like so: `TypeMap::<CloneAny>::custom()`, which produces
25/// a `TypeMap<CloneAny>`. Combine `CloneAny` with `Send` or `Sync` to add
26/// additional bounds.
27///
28/// There is also an exported alias for this type of `TypeMap`, `CloneAny`.
29pub trait CloneAny: Any + Send + Sync {
30    #[doc(hidden)]
31    fn clone_any(&self) -> Box<dyn CloneAny>;
32    #[doc(hidden)]
33    fn clone_any_send(&self) -> Box<dyn CloneAny + Send>;
34    #[doc(hidden)]
35    fn clone_any_sync(&self) -> Box<dyn CloneAny + Sync>;
36    #[doc(hidden)]
37    fn clone_any_send_sync(&self) -> Box<dyn CloneAny + Send + Sync>;
38}
39
40impl<T: Any + Clone + Send + Sync> CloneAny for T {
41    fn clone_any(&self) -> Box<dyn CloneAny> {
42        Box::new(self.clone())
43    }
44
45    fn clone_any_send(&self) -> Box<dyn CloneAny + Send> {
46        Box::new(self.clone())
47    }
48
49    fn clone_any_sync(&self) -> Box<dyn CloneAny + Sync> {
50        Box::new(self.clone())
51    }
52
53    fn clone_any_send_sync(&self) -> Box<dyn CloneAny + Send + Sync> {
54        Box::new(self.clone())
55    }
56}
57
58impl Clone for Box<dyn CloneAny> {
59    fn clone(&self) -> Box<dyn CloneAny> {
60        (**self).clone_any()
61    }
62}
63
64impl Clone for Box<dyn CloneAny + Send> {
65    fn clone(&self) -> Box<dyn CloneAny + Send> {
66        (**self).clone_any_send()
67    }
68}
69
70impl Clone for Box<dyn CloneAny + Sync> {
71    fn clone(&self) -> Box<dyn CloneAny + Sync> {
72        (**self).clone_any_sync()
73    }
74}
75
76impl Clone for Box<dyn CloneAny + Send + Sync> {
77    fn clone(&self) -> Box<dyn CloneAny + Send + Sync> {
78        (**self).clone_any_send_sync()
79    }
80}
81
82unsafe impl UnsafeAnyExt for dyn CloneAny {}
83unsafe impl UnsafeAnyExt for dyn CloneAny + Send {}
84unsafe impl UnsafeAnyExt for dyn CloneAny + Sync {}
85unsafe impl UnsafeAnyExt for dyn CloneAny + Send + Sync {}
86
87#[doc(hidden)] // Not actually exported
88pub unsafe trait Implements<A: ?Sized + UnsafeAnyExt> {
89    fn into_object(self) -> Box<A>;
90}
91
92unsafe impl<T: UnsafeAny> Implements<dyn UnsafeAny> for T {
93    fn into_object(self) -> Box<dyn UnsafeAny> {
94        Box::new(self)
95    }
96}
97
98unsafe impl<T: UnsafeAny + Send> Implements<(dyn UnsafeAny + Send)> for T {
99    fn into_object(self) -> Box<dyn UnsafeAny + Send> {
100        Box::new(self)
101    }
102}
103
104unsafe impl<T: UnsafeAny + Sync> Implements<(dyn UnsafeAny + Sync)> for T {
105    fn into_object(self) -> Box<dyn UnsafeAny + Sync> {
106        Box::new(self)
107    }
108}
109
110unsafe impl<T: UnsafeAny + Send + Sync> Implements<(dyn UnsafeAny + Send + Sync)> for T {
111    fn into_object(self) -> Box<dyn UnsafeAny + Send + Sync> {
112        Box::new(self)
113    }
114}
115
116unsafe impl<T: CloneAny> Implements<dyn CloneAny> for T {
117    fn into_object(self) -> Box<dyn CloneAny> {
118        Box::new(self)
119    }
120}
121
122unsafe impl<T: CloneAny + Send> Implements<(dyn CloneAny + Send)> for T {
123    fn into_object(self) -> Box<dyn CloneAny + Send> {
124        Box::new(self)
125    }
126}
127
128unsafe impl<T: CloneAny + Send + Sync> Implements<(dyn CloneAny + Send + Sync)> for T {
129    fn into_object(self) -> Box<dyn CloneAny + Send + Sync> {
130        Box::new(self)
131    }
132}
133
134unsafe impl<T: DebugAny> Implements<dyn DebugAny> for T {
135    fn into_object(self) -> Box<dyn DebugAny> {
136        Box::new(self)
137    }
138}
139
140unsafe impl<T: DebugAny + Send> Implements<dyn DebugAny + Send> for T {
141    fn into_object(self) -> Box<dyn DebugAny + Send> {
142        Box::new(self)
143    }
144}
145
146unsafe impl<T: DebugAny + Sync> Implements<dyn DebugAny + Sync> for T {
147    fn into_object(self) -> Box<dyn DebugAny + Sync> {
148        Box::new(self)
149    }
150}
151
152unsafe impl<T: DebugAny + Send + Sync> Implements<dyn DebugAny + Send + Sync> for T {
153    fn into_object(self) -> Box<dyn DebugAny + Send + Sync> {
154        Box::new(self)
155    }
156}
typemap_ors/internals.rs

typemap_ors/
internals.rs
