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added column number to dbg!()

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darklyspaced 2023-08-18 18:24:22 +08:00
parent 1c15b82b8a
commit cbb36d808b
1 changed files with 3 additions and 3 deletions
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6
library/std/src/macros.rs
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@ -355,15 +355,15 @@ macro_rules! dbg {
// `$val` expression could be a block (`{ .. }`), in which case the `eprintln!`
// will be malformed.
() => {
$crate::eprintln!("[{}:{}]", $crate::file!(), $crate::line!())
$crate::eprintln!("[{}:{}:{}]", $crate::file!(), $crate::line!(), $crate::column!())
};
($val:expr $(,)?) => {
// Use of `match` here is intentional because it affects the lifetimes
// of temporaries - https://stackoverflow.com/a/48732525/1063961
match $val {
tmp => {
$crate::eprintln!("[{}:{}] {} = {:#?}",
$crate::file!(), $crate::line!(), $crate::stringify!($val), &tmp);
$crate::eprintln!("[{}:{}:{}] {} = {:#?}",
$crate::file!(), $crate::line!(), $crate::column!(), $crate::stringify!($val), &tmp);
tmp
}
}