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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
#![feature(custom_inner_attributes)]
#![rustfmt::skip]
#![warn(clippy::debug_assert_with_mut_call)]
#![allow(clippy::redundant_closure_call, clippy::get_first)]
struct S;
impl S {
fn bool_self_ref(&self) -> bool { false }
fn bool_self_mut(&mut self) -> bool { false }
fn bool_self_ref_arg_ref(&self, _: &u32) -> bool { false }
fn bool_self_ref_arg_mut(&self, _: &mut u32) -> bool { false }
fn bool_self_mut_arg_ref(&mut self, _: &u32) -> bool { false }
fn bool_self_mut_arg_mut(&mut self, _: &mut u32) -> bool { false }
fn u32_self_ref(&self) -> u32 { 0 }
fn u32_self_mut(&mut self) -> u32 { 0 }
fn u32_self_ref_arg_ref(&self, _: &u32) -> u32 { 0 }
fn u32_self_ref_arg_mut(&self, _: &mut u32) -> u32 { 0 }
fn u32_self_mut_arg_ref(&mut self, _: &u32) -> u32 { 0 }
fn u32_self_mut_arg_mut(&mut self, _: &mut u32) -> u32 { 0 }
}
fn bool_ref(_: &u32) -> bool { false }
fn bool_mut(_: &mut u32) -> bool { false }
fn u32_ref(_: &u32) -> u32 { 0 }
fn u32_mut(_: &mut u32) -> u32 { 0 }
fn func_non_mutable() {
debug_assert!(bool_ref(&3));
debug_assert!(!bool_ref(&3));
debug_assert_eq!(0, u32_ref(&3));
debug_assert_eq!(u32_ref(&3), 0);
debug_assert_ne!(1, u32_ref(&3));
debug_assert_ne!(u32_ref(&3), 1);
}
fn func_mutable() {
debug_assert!(bool_mut(&mut 3));
debug_assert!(!bool_mut(&mut 3));
debug_assert_eq!(0, u32_mut(&mut 3));
debug_assert_eq!(u32_mut(&mut 3), 0);
debug_assert_ne!(1, u32_mut(&mut 3));
debug_assert_ne!(u32_mut(&mut 3), 1);
}
fn method_non_mutable() {
debug_assert!(S.bool_self_ref());
debug_assert!(S.bool_self_ref_arg_ref(&3));
debug_assert_eq!(S.u32_self_ref(), 0);
debug_assert_eq!(S.u32_self_ref_arg_ref(&3), 0);
debug_assert_ne!(S.u32_self_ref(), 1);
debug_assert_ne!(S.u32_self_ref_arg_ref(&3), 1);
}
fn method_mutable() {
debug_assert!(S.bool_self_mut());
debug_assert!(!S.bool_self_mut());
debug_assert!(S.bool_self_ref_arg_mut(&mut 3));
debug_assert!(S.bool_self_mut_arg_ref(&3));
debug_assert!(S.bool_self_mut_arg_mut(&mut 3));
debug_assert_eq!(S.u32_self_mut(), 0);
debug_assert_eq!(S.u32_self_mut_arg_ref(&3), 0);
debug_assert_eq!(S.u32_self_ref_arg_mut(&mut 3), 0);
debug_assert_eq!(S.u32_self_mut_arg_mut(&mut 3), 0);
debug_assert_ne!(S.u32_self_mut(), 1);
debug_assert_ne!(S.u32_self_mut_arg_ref(&3), 1);
debug_assert_ne!(S.u32_self_ref_arg_mut(&mut 3), 1);
debug_assert_ne!(S.u32_self_mut_arg_mut(&mut 3), 1);
}
fn misc() {
// with variable
let mut v: Vec<u32> = vec![1, 2, 3, 4];
debug_assert_eq!(v.get(0), Some(&1));
debug_assert_ne!(v[0], 2);
debug_assert_eq!(v.pop(), Some(1));
debug_assert_ne!(Some(3), v.pop());
let a = &mut 3;
debug_assert!(bool_mut(a));
// nested
debug_assert!(!(bool_ref(&u32_mut(&mut 3))));
// chained
debug_assert_eq!(v.pop().unwrap(), 3);
// format args
debug_assert!(bool_ref(&3), "w/o format");
debug_assert!(bool_mut(&mut 3), "w/o format");
debug_assert!(bool_ref(&3), "{} format", "w/");
debug_assert!(bool_mut(&mut 3), "{} format", "w/");
// sub block
let mut x = 42_u32;
debug_assert!({
bool_mut(&mut x);
x > 10
});
// closures
debug_assert!((|| {
let mut x = 42;
bool_mut(&mut x);
x > 10
})());
}
async fn debug_await() {
debug_assert!(async {
true
}.await);
}
fn main() {
func_non_mutable();
func_mutable();
method_non_mutable();
method_mutable();
misc();
debug_await();
}
|