aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMatthew Wild <mwild1@gmail.com>2021-09-12 10:51:27 +0100
committerMatthew Wild <mwild1@gmail.com>2021-09-12 10:51:27 +0100
commita278dc21348287ca1dca91aa836a436a808b16f6 (patch)
tree46e77bab9c43c2d0397c4a258410e9e75e8ba3aa
parentedb6956ad524febe58d5575d0bf42b4a7ddabc1c (diff)
downloadprosody-a278dc21348287ca1dca91aa836a436a808b16f6.tar.gz
prosody-a278dc21348287ca1dca91aa836a436a808b16f6.zip
util.set: Add :contains_set() method
-rw-r--r--util/set.lua9
1 files changed, 9 insertions, 0 deletions
diff --git a/util/set.lua b/util/set.lua
index 7e600ebd..69dfef5d 100644
--- a/util/set.lua
+++ b/util/set.lua
@@ -52,6 +52,15 @@ local function new(list)
return items[item];
end
+ function set:contains_set(other_set)
+ for item in other_set do
+ if not self:contains(item) then
+ return false;
+ end
+ end
+ return true;
+ end
+
function set:items()
return next, items;
end