diff options
| -rw-r--r-- | erts/preloaded/src/erts_internal.erl | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl index edcd50c77e..764d7730aa 100644 --- a/erts/preloaded/src/erts_internal.erl +++ b/erts/preloaded/src/erts_internal.erl @@ -31,6 +31,7 @@ -export([await_port_send_result/3]). -export([binary_to_term/1, binary_to_term/2]). -export([cmp_term/2]). +-export([map_to_tuple_keys/1]). -export([port_command/3, port_connect/2, port_close/1, port_control/3, port_call/3, port_info/1, port_info/2]). @@ -181,3 +182,11 @@ binary_to_term(_Binary, _Opts) -> cmp_term(_A,_B) -> erlang:nif_error(undefined). + +%% return the internal key tuple for map keys +-spec map_to_tuple_keys(M) -> Keys when + M :: map(), + Keys :: tuple(). + +map_to_tuple_keys(_M) -> + erlang:nif_error(undefined). |