mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 23:12:02 +00:00
77 lines
1.3 KiB
Rust
77 lines
1.3 KiB
Rust
#![allow(unused)]
|
|
|
|
fn test_if() -> i32 {
|
|
let x = if true {
|
|
eprintln!("hello");
|
|
3;
|
|
}
|
|
else {
|
|
4;
|
|
};
|
|
x //~ ERROR mismatched types
|
|
}
|
|
|
|
fn test_if_without_binding() -> i32 {
|
|
if true { //~ ERROR mismatched types
|
|
eprintln!("hello");
|
|
3;
|
|
}
|
|
else { //~ ERROR mismatched types
|
|
4;
|
|
}
|
|
}
|
|
|
|
fn test_match() -> i32 {
|
|
let v = 1;
|
|
let res = match v {
|
|
1 => { 1; }
|
|
_ => { 2; }
|
|
};
|
|
res //~ ERROR mismatched types
|
|
}
|
|
|
|
fn test_match_match_without_binding() -> i32 {
|
|
let v = 1;
|
|
match v {
|
|
1 => { 1; } //~ ERROR mismatched types
|
|
_ => { 2; } //~ ERROR mismatched types
|
|
}
|
|
}
|
|
|
|
fn test_match_arm_different_types() -> i32 {
|
|
let v = 1;
|
|
let res = match v {
|
|
1 => { if 1 < 2 { 1 } else { 2 } }
|
|
_ => { 2; } //~ ERROR `match` arms have incompatible types
|
|
};
|
|
res
|
|
}
|
|
|
|
fn test_if_match_mixed() -> i32 {
|
|
let x = if true {
|
|
3;
|
|
} else {
|
|
match 1 {
|
|
1 => { 1 }
|
|
_ => { 2 }
|
|
};
|
|
};
|
|
x //~ ERROR mismatched types
|
|
}
|
|
|
|
fn test_if_match_mixed_failed() -> i32 {
|
|
let x = if true {
|
|
3;
|
|
} else {
|
|
// because this is a tailed expr, so we won't check deeper
|
|
match 1 {
|
|
1 => { 33; }
|
|
_ => { 44; }
|
|
}
|
|
};
|
|
x //~ ERROR mismatched types
|
|
}
|
|
|
|
|
|
fn main() {}
|