syntax_data: {"ast_node_type":"function","tokens":[{"end":44,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn lto_codegen_write_merged_modules(
context_before:     pub fn lto_codegen_add_must_preserve_symbol(cg: lto_code_gen_t, symbol: *const ::libc::c_char);
context_after:         cg: lto_code_gen_t,