error[internal]: left behind trailing whitespace

[arifd]

this code:

mod phase {
    pub trait Phase {
        const RUN: &'static str;
        const FAIL: &'static str;

        fn to_style(&self, template: &str);
    }

    pub struct Updating {}

    impl Phase for Updating {
        const RUN: &'static str = "";
        const FAIL: &'static str = "";
            
        #[rustfmt::skip]
        fn to_style(&self, template: &str) {}
    }
}

fn main() {}

produces this error:

error[internal]: left behind trailing whitespace
  --> /tmp/arif/src/main.rs:14:14:1
   |
14 |             
   | ^^^^^^^^^^^^
   |

[ytmimi]

Thanks for this. A slightly smaller reproducible example is:

impl Phase for Updating {
    const FAIL: &'static str = "";
        
    #[rustfmt::skip]
    fn to_style(&self, template: &str) {}
}

Although not visible, there's trailing whitespace between the const and the #[rustfmt::skip].

[calebcartwright]

Yeah this is another variant of an underlying problem relative to nested items with internal skips. I think it may very well be a duplicate, potentially with some proposed fixes, but don't have the bandwidth at the moment to go hunting through the issue backlog

[ytmimi]

@calebcartwright were you referring to #4706?