69 lines
1.4 KiB
Rust
69 lines
1.4 KiB
Rust
fn s() -> String {
|
|
let a = String::new();
|
|
dbg!(a);
|
|
return a; //~ ERROR use of moved value:
|
|
}
|
|
|
|
fn m() -> String {
|
|
let a = String::new();
|
|
dbg!(1, 2, a, 1, 2);
|
|
return a; //~ ERROR use of moved value:
|
|
}
|
|
|
|
fn t(a: String) -> String {
|
|
let b: String = "".to_string();
|
|
dbg!(a, b);
|
|
return b; //~ ERROR use of moved value:
|
|
}
|
|
|
|
fn x(a: String) -> String {
|
|
let b: String = "".to_string();
|
|
dbg!(a, b);
|
|
return a; //~ ERROR use of moved value:
|
|
}
|
|
|
|
macro_rules! my_dbg {
|
|
() => {
|
|
eprintln!("[{}:{}:{}]", file!(), line!(), column!())
|
|
};
|
|
($val:expr $(,)?) => {
|
|
match $val {
|
|
tmp => {
|
|
eprintln!("[{}:{}:{}] {} = {:#?}",
|
|
file!(), line!(), column!(), stringify!($val), &tmp);
|
|
tmp
|
|
}
|
|
}
|
|
};
|
|
($($val:expr),+ $(,)?) => {
|
|
($(my_dbg!($val)),+,)
|
|
};
|
|
}
|
|
|
|
fn test_my_dbg() -> String {
|
|
let b: String = "".to_string();
|
|
my_dbg!(b, 1);
|
|
return b; //~ ERROR use of moved value:
|
|
}
|
|
|
|
fn test_not_macro() -> String {
|
|
let a = String::new();
|
|
let _b = match a {
|
|
tmp => {
|
|
eprintln!("dbg: {}", tmp);
|
|
tmp
|
|
}
|
|
};
|
|
return a; //~ ERROR use of moved value:
|
|
}
|
|
|
|
fn get_expr(_s: String) {}
|
|
|
|
fn test() {
|
|
let a: String = "".to_string();
|
|
let _res = get_expr(dbg!(a));
|
|
let _l = a.len(); //~ ERROR borrow of moved value
|
|
}
|
|
|
|
fn main() {}
|