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|
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() {}
|
