improve performance of isempty by self-contained definition

itchyny · Feb 26, 2022 · 1cc46e4 · 1cc46e4
1 parent 5189c10
commit 1cc46e4
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/builtin.go b/builtin.go
diff --git a/builtin.jq b/builtin.jq
@@ -109,7 +109,7 @@ def first: .[0];
 def first(g): label $out | g | ., break $out;
 def last: .[-1];
 def last(g): reduce g as $item (null; $item);
-def isempty(g): first((g|false), true);
+def isempty(g): label $out | (g | false, break $out), true;
 def all: all(.[]; .);
 def all(y): all(.[]; y);
 def all(g; y): isempty(g|y and empty);