Function gluon_vm::core::optimize::walk_bind

pub fn walk_bind<'a, 'b, V>(
    visitor: &mut V,
    bind: &LetBinding<'b>
) -> Option<&'a LetBinding<'a>>
where
    V: ?Sized + Visitor<'a, 'b>,
    V::Producer: Visitor<'a, 'b, Producer = V::Producer>,