{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
    let result = cx.context.new_call(None, func, &args);
        args.iter().map(|arg| cx.context.new_cast(None, arg.immediate(), f32_type)).collect();
    cx.context.new_cast(None, result, cx.type_f16())