Merge 285e324 into 11346ed

.github/workflows/busted.yml

@@ -8,7 +8,7 @@ jobs:
       fail-fast: false
       matrix:
         luaVersion: ["5.4", "5.3", "5.2", "5.1", "luajit", "luajit-openresty"]
-        penlightVersion: ["1.9.1", "1.8.0", "1.6.0", "1.5.4"]
+        penlightVersion: ["1.9.2", "1.8.0", "1.6.0", "1.5.4"]
 
     runs-on: ubuntu-latest
 

cassowary/init.lua

@@ -7,6 +7,14 @@ local cassowary
 local epsilon = 1e-8
 local count = 2
 
+-- The subclass() and initialize() functions are utilities to simplify the
+-- syntax of defining classes and populating instances. There is a long-hand
+-- way to do this documented in Penlight, and a short-hand syntax like this that
+-- should work but is too buggy to use. These workarounds work across a range
+-- of versions.  Someday it would be nice to deprecate these, but as of 1.9.2
+-- these helper functions still work better than what is provided. See
+-- https://github.com/lunarmodules/Penlight/projects/1
+-- to track progress on _init() reform and syntax variations.
 local subclass = function(base, inject)
   return tablex.update(class(base), inject)
 end