syntax_data: {"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Returns 0 on success.
context_before:     ///
context_after:     pub fn LLVMWriteBitcodeToFile(M: LLVMModuleRef, Path: *const ::libc::c_char) -> ::libc::c_int;