summaryrefslogtreecommitdiffstats
path: root/src/test/ui/lint/lint-shorthand-field.rs
blob: 22de9c325459015cf653d6207779159b5372843a (plain)
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
// run-rustfix

#![allow(nonstandard_style, unused_variables, unused_mut)]
#![deny(non_shorthand_field_patterns)]

struct Foo {
    x: isize,
    y: isize,
}

fn main() {
    {
        let Foo {
            x: x, //~ ERROR the `x:` in this pattern is redundant
            y: ref y, //~ ERROR the `y:` in this pattern is redundant
        } = Foo { x: 0, y: 0 };

        let Foo {
            x,
            ref y,
        } = Foo { x: 0, y: 0 };
    }

    {
        const x: isize = 1;

        match (Foo { x: 1, y: 1 }) {
            Foo { x: x, ..} => {},
            _ => {},
        }
    }

    {
        struct Bar {
            x: x,
        }

        struct x;

        match (Bar { x: x }) {
            Bar { x: x } => {},
        }
    }

    {
        struct Bar {
            x: Foo,
        }

        enum Foo { x }

        match (Bar { x: Foo::x }) {
            Bar { x: Foo::x } => {},
        }
    }

    {
        struct Baz {
            x: isize,
            y: isize,
            z: isize,
        }

        let Baz {
            x: mut x, //~ ERROR the `x:` in this pattern is redundant
            y: ref y, //~ ERROR the `y:` in this pattern is redundant
            z: ref mut z, //~ ERROR the `z:` in this pattern is redundant
        } = Baz { x: 0, y: 0, z: 0 };
    }
}