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-rw-r--r--lib/stdlib/src/io_lib_format.erl21
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl2
2 files changed, 6 insertions, 17 deletions
diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl
index 14d925bacf..4b2d15c8b3 100644
--- a/lib/stdlib/src/io_lib_format.erl
+++ b/lib/stdlib/src/io_lib_format.erl
@@ -335,7 +335,7 @@ base(B) when is_integer(B) ->
term(T, none, _Adj, none, _Pad) -> T;
term(T, none, Adj, P, Pad) -> term(T, P, Adj, P, Pad);
term(T, F, Adj, P0, Pad) ->
- L = lists:flatlength(T),
+ L = string:length(T),
P = erlang:min(L, case P0 of none -> F; _ -> min(P0, F) end),
if
L > P ->
@@ -675,11 +675,11 @@ cdata_to_chars(B) when is_binary(B) ->
string(S, none, _Adj, none, _Pad) -> S;
string(S, F, Adj, none, Pad) ->
- string_field(S, F, Adj, lists:flatlength(S), Pad);
+ string_field(S, F, Adj, string:length(S), Pad);
string(S, none, _Adj, P, Pad) ->
- string_field(S, P, left, lists:flatlength(S), Pad);
+ string_field(S, P, left, string:length(S), Pad);
string(S, F, Adj, P, Pad) when F >= P ->
- N = lists:flatlength(S),
+ N = string:length(S),
if F > P ->
if N > P ->
adjust(flat_trunc(S, P), chars(Pad, F-P), Adj);
@@ -749,18 +749,7 @@ adjust(Data, Pad, right) -> [Pad|Data].
%% Flatten and truncate a deep list to at most N elements.
flat_trunc(List, N) when is_integer(N), N >= 0 ->
- flat_trunc(List, N, [], []).
-
-flat_trunc(L, 0, _, R) when is_list(L) ->
- lists:reverse(R);
-flat_trunc([H|T], N, S, R) when is_list(H) ->
- flat_trunc(H, N, [T|S], R);
-flat_trunc([H|T], N, S, R) ->
- flat_trunc(T, N-1, S, [H|R]);
-flat_trunc([], N, [H|S], R) ->
- flat_trunc(H, N, S, R);
-flat_trunc([], _, [], R) ->
- lists:reverse(R).
+ string:slice(List, 0, N).
%% A deep version of string:chars/2,3
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index ff368d02da..505613b80e 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -473,7 +473,7 @@ print_length(<<_/bitstring>>=Bin, D, _RF, Enc, Str) ->
print_length(Term, _D, _RF, _Enc, _Str) ->
S = io_lib:write(Term),
%% S can contain unicode, so iolist_size(S) cannot be used here
- {S, lists:flatlength(S)}.
+ {S, string:length(S)}.
print_length_map(_Map, 1, _RF, _Enc, _Str) ->
{"#{...}", 6};