# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1638396191 -3600
# Node ID a91494a4c3d0cf8bff56016571600e1a2d07a119
# Parent  705c4c07a86025883f3fb26f2fe631022b4d0fd8
mod_smacks: Fix empty cache check

In Lua, every value except `nil` and `false` are considered true in
boolean expressions, even `0` as here, which means this was dead code.

diff -r 705c4c07a860 -r a91494a4c3d0 plugins/mod_smacks.lua
--- a/plugins/mod_smacks.lua	Wed Dec 01 21:04:32 2021 +0100
+++ b/plugins/mod_smacks.lua	Wed Dec 01 23:03:11 2021 +0100
@@ -70,7 +70,7 @@
 				if not stores[user] then stores[user] = cache.new(max_entries, evict_callback); end
 				stores[user]:set(key, value);
 				-- remove empty caches completely
-				if not stores[user]:count() then stores[user] = nil; end
+				if stores[user]:count() == 0 then stores[user] = nil; end
 			end;
 		};
 end