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
|
#![allow(dead_code)]
#[cfg(feature = "use_core")]
extern crate core;
#[macro_use]
extern crate derivative;
#[derive(Derivative)]
#[derivative(Debug)]
struct Foo {
foo: u8,
#[derivative(Debug="ignore")]
bar: u8,
}
#[derive(Derivative)]
#[derivative(Debug)]
struct Bar (
u8,
#[derivative(Debug="ignore")]
u8,
);
#[derive(Derivative)]
#[derivative(Debug)]
enum C {
V1(isize),
V2(#[derivative(Debug="ignore")] i32),
V3(String),
}
#[derive(Derivative)]
#[derivative(Debug)]
enum D {
V1 {
#[derivative(Debug="ignore")]
a: isize
}
}
#[derive(Derivative)]
#[derivative(Debug)]
struct F(#[derivative(Debug="ignore")] isize);
#[derive(Derivative)]
#[derivative(Debug)]
struct G(isize, #[derivative(Debug="ignore")] isize);
#[derive(Derivative)]
#[derivative(Debug)]
struct J(#[derivative(Debug="ignore")] NoDebug);
struct NoDebug;
trait ToDebug {
fn to_show(&self) -> String;
}
impl<T: std::fmt::Debug> ToDebug for T {
fn to_show(&self) -> String {
format!("{:?}", self)
}
}
#[test]
fn main() {
assert_eq!(Foo { foo: 42, bar: 1 }.to_show(), "Foo { foo: 42 }".to_string());
assert_eq!(Bar(42, 1).to_show(), "Bar(42)".to_string());
assert_eq!(C::V1(12).to_show(), "V1(12)".to_string());
assert_eq!(C::V2(12).to_show(), "V2".to_string());
assert_eq!(C::V3("foo".to_string()).to_show(), "V3(\"foo\")".to_string());
assert_eq!(D::V1 { a: 42 }.to_show(), "V1".to_string());
assert_eq!(F(42).to_show(), "F".to_string());
assert_eq!(G(42, 0).to_show(), "G(42)".to_string());
assert_eq!(J(NoDebug).to_show(), "J".to_string());
}
|
