pub fn new(dst: &'a mut String) -> Self {
        Formatter {
            dst,
            spaces: 0,
            indent: DEFAULT_INDENT,
        }
    }
/// Return a new formatter that writes to the given string.
Return a new formatter that writes to the given string.
Return a new formatter that writes to the given string .
pub fn new(dst: &'a mut String) -> Self {
        Formatter {
            dst,
            spaces: 0,
            indent: DEFAULT_INDENT,
        }
    }
pub fn new ( dst : & ' a mut String ) -> Self { Formatter { dst , spaces : 0 , indent : DEFAULT_INDENT , } }
Return a new formatter that writes to the given string.
Return a new formatter that writes to the given string .
dst
&'a mut String