syntax_data: {"ast_node_type":"function","tokens":[{"end":47,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn lto_api_version() -> ::libc::c_uint;
context_before:     /// Added in LLVM 3.7.
context_after:     pub fn lto_set_debug_options(options: *mut *const ::libc::c_char, number: ::libc::c_int);