pub fn action(&self, relation: &mut MirRelationExpr) {
        if let MirRelationExpr::Negate { input } = relation {
            let mut require_negate = true;
            while let MirRelationExpr::Negate { input: inner_input } = &mut **input {
                **input = inner_input.take_dangerous();
                require_negate = !require_negate;
            }

            if !require_negate {
                *relation = input.take_dangerous();
            }
        }
    }
/// Fuses a sequence of `Negate` operators into one or zero `Negate` operators.
Fuses a sequence of `Negate` operators into one or zero `Negate` operators.
Fuses a sequence of ` Negate ` operators into one or zero ` Negate ` operators .
pub fn action(&self, relation: &mut MirRelationExpr) {
        if let MirRelationExpr::Negate { input } = relation {
            let mut require_negate = true;
            while let MirRelationExpr::Negate { input: inner_input } = &mut **input {
                **input = inner_input.take_dangerous();
                require_negate = !require_negate;
            }
            if !require_negate {
                *relation = input.take_dangerous();
            }
        }
    }
pub fn action ( & self , relation : & mut MirRelationExpr ) { if let MirRelationExpr :: Negate { input } = relation { let mut require_negate = true ; while let MirRelationExpr :: Negate { input : inner_input } = & mut * * input { * * input = inner_input . take_dangerous ( ) ; require_negate = ! require_negate ; } if ! require_negate { * relation = input . take_dangerous ( ) ; } } }
Fuses a sequence of `Negate` operators into one or zero `Negate` operators.
Fuses a sequence of ` Negate ` operators into one or zero ` Negate ` operators .
&self
relation
&mut MirRelationExpr
&self
relation
&mut MirRelationExpr