pub fn new_single(offset: usize) -> Span {
        Span {
            from: offset,
            to: offset + 1,
        }
    }
/// Create a new span that covers one character at the given offset.
Create a new span that covers one character at the given offset.
Create a new span that covers one character at the given offset .
pub fn new_single(offset: usize) -> Span {
        Span {
            from: offset,
            to: offset + 1,
        }
    }
pub fn new_single ( offset : usize ) -> Span { Span { from : offset , to : offset + 1 , } }
Create a new span that covers one character at the given offset.
Create a new span that covers one character at the given offset .
offset
usize
offset
usize