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| author | Björn-Egil Dahlberg <[email protected]> | 2017-02-22 16:52:29 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2017-02-23 10:10:54 +0100 |
| commit | d8c0f76c800051629cd9cf7279bf075435708a1c (patch) | |
| tree | 04156d46a4fa8a433e4314ab812590d7590b94e1 /erts/preloaded/src/erts_internal.erl | |
| parent | 82b184fee07c78583a7198f1da022a9da7e87260 (diff) | |
| download | otp-d8c0f76c800051629cd9cf7279bf075435708a1c.tar.gz otp-d8c0f76c800051629cd9cf7279bf075435708a1c.tar.bz2 otp-d8c0f76c800051629cd9cf7279bf075435708a1c.zip | |
erts: Introduce erts_internal:maps_to_list/2
Diffstat (limited to 'erts/preloaded/src/erts_internal.erl')
| -rw-r--r-- | erts/preloaded/src/erts_internal.erl | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl index a27cb2ba38..bcc779e6f6 100644 --- a/erts/preloaded/src/erts_internal.erl +++ b/erts/preloaded/src/erts_internal.erl @@ -31,7 +31,8 @@ -export([await_port_send_result/3]). -export([cmp_term/2]). --export([map_to_tuple_keys/1, term_type/1, map_hashmap_children/1]). +-export([map_to_tuple_keys/1, term_type/1, map_hashmap_children/1, + maps_to_list/2]). -export([open_port/2, port_command/3, port_connect/2, port_close/1, port_control/3, port_call/3, port_info/1, port_info/2]). @@ -369,6 +370,15 @@ map_hashmap_children(_M) -> Multi :: boolean(), Res :: term(). +%% return a list of key value pairs, at most of length N +-spec maps_to_list(M,N) -> Pairs when + M :: map(), + N :: integer(), + Pairs :: list(). + +maps_to_list(_M, _N) -> + erlang:nif_error(undefined). + %% erlang:demonitor(Ref, [flush]) traps to %% erts_internal:flush_monitor_messages(Ref, Res) when %% it needs to flush monitor messages. |