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-rw-r--r--util/array.lua15
1 files changed, 14 insertions, 1 deletions
diff --git a/util/array.lua b/util/array.lua
index 9e99a3ec..072b24a7 100644
--- a/util/array.lua
+++ b/util/array.lua
@@ -52,4 +52,17 @@ function array:reverse()
end
end
-_G.array = array
+function array.collect(f, s, var)
+ local t, var = {};
+ while true do
+ var = f(s, var);
+ if var == nil then break; end
+ table.insert(t, var);
+ end
+ return setmetatable(t, array_mt);
+end
+
+_G.array = array;
+module("array");
+
+return array;