{"ast_node_type":"enum","tokens":[{"end":22,"kind":"keyword","start":0,"text":"pub"}]}
pub enum OverlapMode {
#[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable, Debug, TyEncodable, TyDecodable)]
    /// The 1.0 rules (either types fail to unify, or where clauses are not implemented for crate-local types)