syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"create_default_session_globals_then(||"}]}
source_snippet:     create_default_session_globals_then(|| {
context_before:     use crate::create_default_session_globals_then;
context_after:         let input = vec![Symbol::intern("aaab"), Symbol::intern("aaabc")];