syntax_data: {"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let found_negative = requested_features.clone().any(|r| r == "-crt-static");
context_before:         let requested_features = self.opts.cg.target_feature.split(',');
context_after:         let found_positive = requested_features.clone().any(|r| r == "+crt-static");