From 2d28fb93b4a1cf562cd5eb314279e0bb7e349499 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sun, 30 Dec 2018 03:24:54 +0100 Subject: util.promise: Remove references to callbacks after settling promise This is to help the garbage collector. --- util/promise.lua | 3 +++ 1 file changed, 3 insertions(+) (limited to 'util/promise.lua') diff --git a/util/promise.lua b/util/promise.lua index 07c9c4dc..0b182b54 100644 --- a/util/promise.lua +++ b/util/promise.lua @@ -49,6 +49,9 @@ local function promise_settle(promise, new_state, new_next, cbs, value) for _, cb in ipairs(cbs) do cb(value); end + -- No need to keep references to callbacks + promise._pending_on_fulfilled = nil; + promise._pending_on_rejected = nil; return true; end -- cgit v1.2.3