Function slash_formatter::concat_with_file_separator

pub fn concat_with_file_separator<S1: Into<String>, S2: AsRef<str>>(
    s1: S1,
    s2: S2
) -> String

Concatenate two strings with FILE_SEPARATOR.

assert_eq!(
    concat!("path", slash_formatter::file_separator!(), "to"),
    slash_formatter::concat_with_file_separator(
        "path",
        concat!("to", slash_formatter::file_separator!())
    )
);