pub fn y_tribool(self) -> TriBool {
    if self.down() {
      TriBool::Plus
    } else if self.up() {
      TriBool::Minus
    } else {
      TriBool::Neutral
    }
  }
/// Up/down tribool.
///
/// Down is Plus and Up is Minus
Up/down tribool.
Down is Plus and Up is Minus
Up / down tribool . Down is Plus and Up is Minus
pub fn y_tribool(self) -> TriBool {
    if self.down() {
      TriBool::Plus
    } else if self.up() {
      TriBool::Minus
    } else {
      TriBool::Neutral
    }
  }
pub fn y_tribool ( self ) -> TriBool { if self . down ( ) { TriBool :: Plus } else if self . up ( ) { TriBool :: Minus } else { TriBool :: Neutral } }
Up/down tribool.
Up / down tribool .
self
self