Function slash_formatter::concat_with_backslash

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

Concatenate two strings with a backslash.

assert_eq!("path\\to", slash_formatter::concat_with_backslash("path", "to\\"));