pub fn x_tribool(self) -> TriBool {
    if self.right() {
      TriBool::Plus
    } else if self.left() {
      TriBool::Minus
    } else {
      TriBool::Neutral
    }
  }
/// Right/left tribool.
///
/// Right is Plus and Left is Minus
Right/left tribool.
Right is Plus and Left is Minus
Right / left tribool . Right is Plus and Left is Minus
pub fn x_tribool(self) -> TriBool {
    if self.right() {
      TriBool::Plus
    } else if self.left() {
      TriBool::Minus
    } else {
      TriBool::Neutral
    }
  }
pub fn x_tribool ( self ) -> TriBool { if self . right ( ) { TriBool :: Plus } else if self . left ( ) { TriBool :: Minus } else { TriBool :: Neutral } }
Right/left tribool.
Right / left tribool .
self
self