Trait VisitExt
chalk_ir::visit::visitors
pub trait VisitExt<I: Interner>: Visit<I> { fn has_free_vars(&self, interner: &I) -> bool { ... } }
fn has_free_vars(&self, interner: &I) -> bool
impl<T, I: Interner> VisitExt<I> for T where T: Visit<I>,