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authorLukas Larsson <[email protected]>2011-07-14 16:18:08 +0200
committerLukas Larsson <[email protected]>2011-07-21 14:50:21 +0200
commitf1ed5142afc7198778df27c61db48ea0979f95e1 (patch)
treeb6b6981b403c34d1b1e598d704c70a8ad6aa72d0 /lib
parent9c2fe1e021747a0113bdba2172b71e91c4937f91 (diff)
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Use lists:mapfoldl instead for a tiny performance gain
Diffstat (limited to 'lib')
-rw-r--r--lib/asn1/src/asn1rt_ber_bin_v2.erl8
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/asn1/src/asn1rt_ber_bin_v2.erl b/lib/asn1/src/asn1rt_ber_bin_v2.erl
index a3bb570282..6947201167 100644
--- a/lib/asn1/src/asn1rt_ber_bin_v2.erl
+++ b/lib/asn1/src/asn1rt_ber_bin_v2.erl
@@ -1577,14 +1577,12 @@ e_object_identifier(V) when is_tuple(V) ->
e_object_identifier([E1, E2 | Tail]) ->
Head = 40*E1 + E2, % wow!
{H,Lh} = mk_object_val(Head),
- {R,Lr} = enc_obj_id_tail(Tail, [], 0),
+ {R,Lr} = lists:mapfoldl(fun enc_obj_id_tail/2,0,Tail),
{[H|R], Lh+Lr}.
-enc_obj_id_tail([], Ack, Len) ->
- {lists:reverse(Ack), Len};
-enc_obj_id_tail([H|T], Ack, Len) ->
+enc_obj_id_tail(H, Len) ->
{B, L} = mk_object_val(H),
- enc_obj_id_tail(T, [B|Ack], Len+L).
+ {B,Len+L}.
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