syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"extern"}]}
source_snippet:     extern "C" fn(Ctx: *mut ::libc::c_void, M: LLVMModuleRef) -> LLVMErrorRef;
context_before: pub type LLVMOrcGenericIRModuleOperationFunction =