syntax_data: {"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"Some(sp_lhs.to(sp_rhs))"}]}
source_snippet:             Some(sp_lhs.to(sp_rhs))
context_before:         if (sp_lhs.lo() <= sp_rhs.lo()) && (sp_lhs.hi() <= sp_rhs.lo()) {
context_after:         } else {