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
|
//@ run-rustfix
#![allow(unused, dead_code)]
fn func() -> Option<i32> {
Some(1)
}
fn test_unwrap() -> Result<i32, ()> {
let b: Result<i32, ()> = Ok(1);
let v: i32 = b?; //~ ERROR mismatched types
Ok(v)
}
fn test_unwrap_option() -> Option<i32> {
let b = Some(1);
let v: i32 = b?; //~ ERROR mismatched types
Some(v)
}
fn main() {
let a = Some(1);
let v: i32 = a.expect("REASON"); //~ ERROR mismatched types
let b: Result<i32, ()> = Ok(1);
let v: i32 = b.expect("REASON"); //~ ERROR mismatched types
let v: i32 = func().expect("REASON"); //~ ERROR mismatched types
let a = None;
let v: i32 = a.expect("REASON"); //~ ERROR mismatched types
}
|
