summaryrefslogtreecommitdiffstats
path: root/src/tools/clippy/src/docs/needless_late_init.txt
blob: 9e7bbcea99825cca935a530cf0ec42a8064ab0e8 (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
### What it does
Checks for late initializations that can be replaced by a `let` statement
with an initializer.

### Why is this bad?
Assigning in the `let` statement is less repetitive.

### Example
```
let a;
a = 1;

let b;
match 3 {
    0 => b = "zero",
    1 => b = "one",
    _ => b = "many",
}

let c;
if true {
    c = 1;
} else {
    c = -1;
}
```
Use instead:
```
let a = 1;

let b = match 3 {
    0 => "zero",
    1 => "one",
    _ => "many",
};

let c = if true {
    1
} else {
    -1
};
```