Function slash_formatter::delete_end_file_separator_in_place

pub fn delete_end_file_separator_in_place(s: &mut String)

Delete an ending FILE_SEPARATOR in a string except for just FILE_SEPARATOR.

let mut s =
    String::from(concat!("path", slash_formatter::file_separator!()));

slash_formatter::delete_end_file_separator_in_place(&mut s);

assert_eq!("path", s);