diff options
| -rw-r--r-- | lib/stdlib/src/io_lib.erl | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl index 375d05f359..886939761c 100644 --- a/lib/stdlib/src/io_lib.erl +++ b/lib/stdlib/src/io_lib.erl @@ -257,7 +257,9 @@ write(T, D) when is_tuple(T) -> [write(element(1, T), D-1)| write_tail(tl(tuple_to_list(T)), D-1, $,)], $}] - end. + end; +%write(Term, D) when is_map(Term) -> write_map(Term, D); +write(Term, D) -> write_map(Term, D). %% write_tail(List, Depth, CharacterBeforeDots) %% Test the terminating case first as this looks better with depth. @@ -275,6 +277,18 @@ write_port(Port) -> write_ref(Ref) -> erlang:ref_to_list(Ref). +write_map(Map, D) when is_integer(D) -> + [$#,${,write_map_body(map:to_list(Map), D),$}]. + +write_map_body(_, 0) -> "..."; +write_map_body([],_) -> []; +write_map_body([{K,V}],D) -> write_map_assoc(K,V,D); +write_map_body([{K,V}|KVs], D) -> + [write_map_assoc(K,V,D),$, | write_map_body(KVs,D-1)]. + +write_map_assoc(K,V,D) -> + [write(K,D - 1),"=>",write(V,D-1)]. + write_binary(B, D) when is_integer(D) -> [$<,$<,write_binary_body(B, D),$>,$>]. |