pub fn once_each(list: &mut Vec<String>)Expand description
Each address once in a list, the first spelling kept: “Jane jane@x.org” and “JANE@x.org” are one.
pub fn once_each(list: &mut Vec<String>)Each address once in a list, the first spelling kept: “Jane jane@x.org” and “JANE@x.org” are one.