{"ast_node_type":"function","tokens":[{"end":23,"kind":"keyword","start":0,"text":"let"}]}
    let llfn = unsafe {
    debug!("declare_simple_fn(name={:?}, ty={:?})", name, ty);
        llvm::LLVMRustGetOrInsertFunction(cx.llmod, name.as_c_char_ptr(), name.len(), ty)