syntax_data: {"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Frees a code generator.
context_before:     pub fn thinlto_create_codegen() -> thinlto_code_gen_t;
context_after:     pub fn thinlto_codegen_dispose(cg: thinlto_code_gen_t);