-
Notifications
You must be signed in to change notification settings - Fork 13.2k
/
Copy pathoption-like-enum.rs
143 lines (101 loc) · 3.31 KB
/
option-like-enum.rs
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
134
135
136
137
138
139
140
141
142
143
//@ min-lldb-version: 1800
//@ min-gdb-version: 13.0
//@ compile-flags:-g
// === GDB TESTS ===================================================================================
// gdb-command:run
// gdb-command:print some
// gdb-check:$1 = core::option::Option<&u32>::Some(0x[...])
// gdb-command:print none
// gdb-check:$2 = core::option::Option<&u32>::None
// gdb-command:print full
// gdb-check:$3 = option_like_enum::MoreFields::Full(454545, 0x[...], 9988)
// gdb-command:print empty
// gdb-check:$4 = option_like_enum::MoreFields::Empty
// gdb-command:print droid
// gdb-check:$5 = option_like_enum::NamedFields::Droid{id: 675675, range: 10000001, internals: 0x[...]}
// gdb-command:print void_droid
// gdb-check:$6 = option_like_enum::NamedFields::Void
// gdb-command:print nested_non_zero_yep
// gdb-check:$7 = option_like_enum::NestedNonZero::Yep(10.5, option_like_enum::NestedNonZeroField {a: 10, b: 20, c: 0x[...]})
// gdb-command:print nested_non_zero_nope
// gdb-check:$8 = option_like_enum::NestedNonZero::Nope
// gdb-command:continue
// === LLDB TESTS ==================================================================================
// lldb-command:run
// lldb-command:v some
// lldb-check:[...] Some(&0x[...])
// lldb-command:v none
// lldb-check:[...] None
// lldb-command:v full
// lldb-check:[...] Full(454545, &0x[...], 9988)
// lldb-command:v empty
// lldb-check:[...] Empty
// lldb-command:v droid
// lldb-check:[...] Droid { id: 675675, range: 10000001, internals: &0x[...] }
// lldb-command:v void_droid
// lldb-check:[...] Void
// lldb-command:v some_str
// lldb-check:[...] Some("abc")
// lldb-command:v none_str
// lldb-check:[...] None
// lldb-command:v nested_non_zero_yep
// lldb-check:[...] Yep(10.5, NestedNonZeroField { a: 10, b: 20, c: &[...] })
// lldb-command:v nested_non_zero_nope
// lldb-check:[...] Nope
#![feature(omit_gdb_pretty_printer_section)]
#![omit_gdb_pretty_printer_section]
// If a struct has exactly two variants, one of them is empty, and the other one
// contains a non-nullable pointer, then this value is used as the discriminator.
// The test cases in this file make sure that something readable is generated for
// this kind of types.
enum MoreFields<'a> {
Full(u32, &'a isize, i16),
Empty
}
struct MoreFieldsRepr<'a> {
a: u32,
discr: &'a isize,
b: i16
}
enum NamedFields<'a> {
Droid { id: i32, range: i64, internals: &'a isize },
Void
}
struct NamedFieldsRepr<'a> {
id: i32,
range: i64,
internals: &'a isize
}
struct NestedNonZeroField<'a> {
a: u16,
b: u32,
c: &'a char,
}
enum NestedNonZero<'a> {
Yep(f64, NestedNonZeroField<'a>),
Nope
}
fn main() {
let some_str: Option<&'static str> = Some("abc");
let none_str: Option<&'static str> = None;
let some: Option<&u32> = Some(&1234);
let none: Option<&u32> = None;
let full = MoreFields::Full(454545, &1234, 9988);
let empty = MoreFields::Empty;
let droid = NamedFields::Droid {
id: 675675,
range: 10000001,
internals: &1234,
};
let void_droid = NamedFields::Void;
let nested_non_zero_yep = NestedNonZero::Yep(
10.5,
NestedNonZeroField {
a: 10,
b: 20,
c: &'x',
});
let nested_non_zero_nope = NestedNonZero::Nope;
zzz(); // #break
}
fn zzz() {()}