pub fn super_visit_only_via_mut<'p, V: VisitMut<'p> + ?Sized>(
visitor: &mut V,
intro: &'p mut VariableIntro,
op1: &'p mut (Option<Operator>, Vec<VariableIntro>),
op2: &'p mut (Option<Operator>, Vec<VariableIntro>),
)
pub fn super_visit_only_via_mut<'p, V: VisitMut<'p> + ?Sized>(
visitor: &mut V,
intro: &'p mut VariableIntro,
op1: &'p mut (Option<Operator>, Vec<VariableIntro>),
op2: &'p mut (Option<Operator>, Vec<VariableIntro>),
)