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erlang
0570-cerl_sets-Use-maps-filter-2-in-filter-2.patch
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File 0570-cerl_sets-Use-maps-filter-2-in-filter-2.patch of Package erlang
From cd7fa515675adf2551887b6e5ad6ba8d08814413 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org> Date: Mon, 25 Feb 2019 14:49:49 +0100 Subject: [PATCH] cerl_sets: Use maps:filter/2 in filter/2 This should be slightly more efficient than converting to/from lists for large sets. --- lib/compiler/src/cerl_sets.erl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/compiler/src/cerl_sets.erl b/lib/compiler/src/cerl_sets.erl index 0361186713..f489baf238 100644 --- a/lib/compiler/src/cerl_sets.erl +++ b/lib/compiler/src/cerl_sets.erl @@ -204,4 +204,4 @@ fold(F, Init, D) -> Set2 :: set(Element). filter(F, D) -> - maps:from_list(lists:filter(fun({K,_}) -> F(K) end, maps:to_list(D))). + maps:filter(fun(K,_) -> F(K) end, D). -- 2.16.4
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