syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"#[derive(Clone,"}]}
source_snippet: #[derive(Clone, Copy, Default, PartialEq, Debug)]
context_before: /// By default, only enabled in the NLL MIR dumps, and disabled in all other passes.
context_after: pub enum MirIncludeSpans {