syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"std::iter::repeat(&nop).cloned().take(n).collect(),"}]}
source_snippet:             std::iter::repeat(&nop).cloned().take(n).collect(),
context_before:         blocks.push(mir::BasicBlockData::new_stmts(
context_after:             Some(mir::Terminator { source_info, kind }),