syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:     for unparsed_crate_type in &list_list {
context_before:     let mut crate_types: Vec<CrateType> = Vec::new();
context_after:         for part in unparsed_crate_type.split(',') {