Functional helpers, table.deep_add_all

func.lua

@@ -1,6 +1,36 @@
+no_op = function() end
+
 function curry(func, ...)
 	local args = { ... }
+	return function(...) return func(unpack(args), ...) end
+end
+
+function curry_tail(func, ...)
+	local args = { ... }
+	return function(...) return func(..., unpack(args)) end
+end
+
+function call(...)
+	local args = { ... }
+	return function(func) return func(unpack(args)) end
+end
+
+function value(val) return function() return val end end
+
+function values(...)
+	local args = { ... }
+	return function() return unpack(args) end
+end
+
+function override_chain(func, override)
 	return function(...)
-        return func(unpack(args), ...)
+		func(...)
+		return override(...)
+	end
+end
+
+function assert(value, callback)
+	if not value then
+		error(callback())
 	end
 end

table.lua

@@ -235,6 +235,17 @@ function add_all(table, additions)
     return table
 end
 
+function deep_add_all(table, additions)
+    for key, value in pairs(additions) do
+        if type(table[key]) == "table" and type(value) == "table" then
+            deep_add_all(table[key], value)
+        else
+            table[key] = value
+        end
+    end
+    return table
+end
+
 function complete(table, completions)
     for key, value in pairs(completions) do
         if table[key] == nil then