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
|
//! FIXME: write short doc here
use crate::completion::{CompletionContext, Completions};
pub(super) fn complete_record_pattern(acc: &mut Completions, ctx: &CompletionContext) {
let (ty, variant) = match ctx.record_lit_pat.as_ref().and_then(|it| {
Some((
ctx.analyzer.type_of_pat(ctx.db, &it.clone().into())?,
ctx.analyzer.resolve_record_pattern(it)?,
))
}) {
Some(it) => it,
_ => return,
};
for (field, field_ty) in ty.variant_fields(ctx.db, variant) {
acc.add_field(ctx, field, &field_ty);
}
}
#[cfg(test)]
mod tests {
use crate::completion::{do_completion, CompletionItem, CompletionKind};
use insta::assert_debug_snapshot;
fn complete(code: &str) -> Vec<CompletionItem> {
do_completion(code, CompletionKind::Reference)
}
#[test]
fn test_record_pattern_field() {
let completions = complete(
r"
struct S { foo: u32 }
fn process(f: S) {
match f {
S { f<|>: 92 } => (),
}
}
",
);
assert_debug_snapshot!(completions, @r###"
[
CompletionItem {
label: "foo",
source_range: [117; 118),
delete: [117; 118),
insert: "foo",
kind: Field,
detail: "u32",
},
]
"###);
}
#[test]
fn test_record_pattern_enum_variant() {
let completions = complete(
r"
enum E {
S { foo: u32, bar: () }
}
fn process(e: E) {
match e {
E::S { <|> } => (),
}
}
",
);
assert_debug_snapshot!(completions, @r###"
[
CompletionItem {
label: "bar",
source_range: [161; 161),
delete: [161; 161),
insert: "bar",
kind: Field,
detail: "()",
},
CompletionItem {
label: "foo",
source_range: [161; 161),
delete: [161; 161),
insert: "foo",
kind: Field,
detail: "u32",
},
]
"###);
}
}
|
