syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"F:"}]}
source_snippet:         F: LLVMOrcCAPIDefinitionGeneratorTryToGenerateFunction,
context_before:     pub fn LLVMOrcCreateCustomCAPIDefinitionGenerator(
context_after:         Ctx: *mut ::libc::c_void,