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-rw-r--r--util/array.lua7
1 files changed, 7 insertions, 0 deletions
diff --git a/util/array.lua b/util/array.lua
index 5dbd3037..cf586214 100644
--- a/util/array.lua
+++ b/util/array.lua
@@ -60,6 +60,13 @@ function array_base.sort(outa, ina, ...)
return outa;
end
+function array_base.pluck(outa, ina, key)
+ for i=1,#ina do
+ outa[i] = ina[i][key];
+ end
+ return outa;
+end
+
--- These methods only mutate
function array_methods:random()
return self[math.random(1,#self)];