mirror of https://github.com/rust-lang/rust
32 lines
701 B
Rust
32 lines
701 B
Rust
//@ 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
|
|
}
|