Method is_false

datafusion/expr/src/expr.rs:1966–1968

Return `IsFalse(Box(self))`

(self)

    /// Return `IsFalse(Box(self))`
    pub fn is_false(self) -> Expr {
        Expr::IsFalse(Box::new(self))
    }

    /// Return `IsNotFalse(Box(self))`
    pub fn is_not_false(self) -> Expr {